In this way, if you fail to send a message, you should resend the message as a text message by enabling Send as SMS in Settings on your device ( Settings > Messages > Send as SMS ). The best way to do this is to run a speed test. It will stall (often for hours) until I send a 2nd or 3rd follow up message and then I will get a delivered double check mark. 2017-02-17T16:25:25.225Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T17:59:42.975Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success Your device will attempt to resend the text. 2017-02-17T21:47:52.546Z New remote ephemeral key 2017-02-17T16:16:07.644Z GET https://textsecure-service-ca.whispersystems.org:80/v1/attachments/919788836112299924 200 Success Tap the Force Stop button. 2017-02-17T21:00:35.268Z draw attention 2017-02-17T16:25:45.202Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T17:00:49.917Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]830 200 Success 2017-02-17T19:40:18.043Z clear attention Connect to the internet (Wi-Fi or mobile data). Signal app users sometimes complain the message sent by them in a group or to an individual is not delivered. 2017-02-20T17:08:26.275Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T19:06:00.570Z GET https://textsecure-service-ca.whispersystems.org:80/v1/devices 200 Success 2017-02-17T16:58:15.508Z message from +[REDACTED].1 1487350718307 2017-02-17T21:37:46.194Z Deleting chain closed at 1487350893213 Millions of people use Signal every day for free and instantaneous communication anywhere in the world. 2017-02-17T19:50:19.753Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T17:59:42.817Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]830 2017-02-17T21:47:56.522Z updating notifications 2 Devices that have an adjustable antenna may experience transmission difficulties if the antenna has sustained . Deivedux. 2017-02-17T19:38:33.559Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-20T17:55:05.490Z GET https://textsecure-service-ca.whispersystems.org:80/v2/keys 2017-02-17T19:49:40.517Z updating notifications 1 2017-02-17T22:05:36.884Z data message from +[REDACTED].1 1487369159496 2017-02-17T16:22:50.916Z remove notification View the text you attempted to send and tap on the red info icon. 2017-02-17T20:11:32.933Z data message from +[REDACTED].1 1487362315408 2017-02-20T17:39:40.053Z clear attention 2017-02-17T16:58:10.810Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T17:00:49.981Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T16:25:02.612Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success You can check yourself by typing a message and look if the send arrow is in a blue circle with a locked padlock on it. 2017-02-17T20:13:51.499Z data message from +[REDACTED].1 1487362454127 If you never used read receipts, this will look the same to the . I'm having this issue with iOS to iOS. 2017-02-17T19:38:33.520Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] Re-link Signal Desktop if you had recently reinstalled Signal on your phone. 2017-02-17T19:46:47.468Z adding notification 2017-02-17T19:50:22.922Z delivery receipt from +[REDACTED].1 1487361022773 2017-02-17T16:54:49.875Z delivery receipt from +[REDACTED].1 1487350483908 The person I am sending to used to use signal but doesn't use New comments cannot be posted and votes cannot be cast. 2017-02-17T16:25:25.165Z data message from +[REDACTED]830.1 1487348747801 2017-02-17T16:25:26.192Z clear attention Thereafter, enable application permissions for the following. 2017-02-17T19:38:25.064Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-20T14:50:05.130Z message from +[REDACTED].1 1487602229422 The alert means the phone number was registered on a new install of Signal. 2017-02-17T16:19:14.459Z adding notification 2017-02-17T16:24:07.098Z delivery receipt from +[REDACTED]830.1 1487348643532 2017-02-17T16:57:41.292Z message from +[REDACTED].1 1487350684049 2017-02-17T16:57:12.568Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T19:47:09.598Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] Type Signal in the search field and select the app. 2017-02-20T14:49:51.276Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/devices/785541 2017-02-17T16:58:44.088Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]830 2017-02-17T19:49:42.429Z remove notification 2017-02-17T19:38:19.477Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T19:57:52.011Z New remote ephemeral key > On May 14, 2018, at 18:59, Dstein2002 ***@***. 2017-02-17T21:47:59.482Z clear attention 2017-02-20T17:08:26.200Z clear attention Also, they fail to receive the messages sent from the other end. 2017-02-17T19:06:00.537Z GET https://textsecure-service-ca.whispersystems.org:80/v1/devices Of course the delivery to iOS device issues referenced above is not explained by this. 2017-02-17T22:06:39.962Z delivery receipt from +[REDACTED].1 1487369199516 2017-02-17T16:21:27.594Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T17:12:37.583Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success If you try to send a message and you see with an alert that says "Not Delivered", follow these steps: Check your network connection. 2017-02-17T19:38:15.722Z message from +[REDACTED].1 1487360318424 2017-02-17T16:21:27.633Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success A post-graduate in Biotechnology, Hemant switched gears to writing about Microsoft technologies and has been a contributor to TheWindowsClub since then. 2017-02-17T21:41:05.974Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T16:57:12.643Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T17:00:10.431Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T19:59:46.120Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T23:01:25.103Z read receipt +[REDACTED] 1487372458929 2017-02-17T19:49:58.657Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T17:59:09.953Z open inbox 2017-02-17T22:43:12.340Z fetchMessages 2017-02-17T21:49:07.789Z delivery receipt from +[REDACTED].1 1487368147388 In this case, the message may be marked as sent, but not actually . 2017-02-17T17:59:57.539Z delivery receipt from +[REDACTED]830.1 1487354397347 2017-02-17T22:43:51.183Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]848 200 Success On Thu, May 17, 2018, 9:04 AM Michael Kirk ***@***. 2017-02-17T20:11:33.968Z updating notifications 1 Then you're asked to create a user . 2017-02-17T16:24:21.701Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]830 2017-02-20T17:08:06.983Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T16:57:08.206Z delivery receipt from +[REDACTED].1 1487350628052 2017-02-17T16:56:49.493Z open inbox It is important to note here that if Signal Desktop was inactive for 30 days or longer, any messages queued up for delivery will be dropped automatically. 2017-02-17T19:38:25.098Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-20T14:47:15.998Z opening provisioning socket https://textsecure-service-ca.whispersystems.org:80 It appears to be related to the contact's phone being inactive for a while (either sitting, or overnight when the contact is asleep if I send some messages). The recipient whatsapp account is offline. 2017-02-17T22:05:59.754Z delivery receipt from +[REDACTED].1 1487369159421 2017-02-17T19:57:18.738Z GET https://whispersystems-textsecure-attachments.s3.amazonaws.com/1657448440009109453?AWSAccessKeyId=AKIAJHWS3AOTJTASHBDA&Expires=1487365061&Signature=IZyKg%2F0J4RpXOSvqvcQYLLfX8MI%3D 2017-02-17T22:26:44.860Z delivery receipt from +[REDACTED].1 1487370402941 2017-02-17T17:07:00.022Z clear attention iOS 12.4.4 2017-02-20T14:47:04.790Z background page reloaded As mentioned previously, you won't receive a message or any feedback . A message, sticker, reaction, read receipt, or media couldn't be delivered. 2017-02-17T16:25:34.752Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T17:01:04.868Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T17:59:03.935Z adding notification 2017-02-17T17:59:03.908Z data message from +[REDACTED]830.1 1487354366494 2017-02-20T14:47:09.629Z HTTPError: Invalid authentication, most likely someone re-registered and invalidated our registration. ; Adaptive power saving mode - If enabled, device will . 2017-02-17T22:43:22.875Z delivery receipt from +[REDACTED]848.1 1487371402140 2017-02-17T18:01:33.934Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]830 2017-02-17T16:12:30.459Z draw attention 2017-02-17T19:57:52.176Z read receipt +[REDACTED] 1487361111926 If that's what's going on, you can send SMS on your end by long-pressing the send arrow and switching to . Since SignalR doesn't block when you call client methods, you can invoke client methods very quickly as you've discovered. But in my case it's android <-> android. 2017-02-17T19:05:39.533Z opening message socket https://textsecure-service-ca.whispersystems.org:4433 2017-02-17T16:57:02.694Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T19:46:47.271Z New remote ephemeral key 2017-02-17T22:08:18.095Z adding notification 2017-02-17T19:38:19.347Z remove notification 2017-02-17T16:21:52.269Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]830 2017-02-17T21:50:54.670Z Deleting chain closed at 1487360295731 2017-02-17T21:47:52.969Z adding notification 2017-02-17T17:02:10.287Z clear attention 2017-02-17T16:12:34.055Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T22:59:59.063Z clear attention To resolve this issue, connect to the Internet that offers a good speed. 2017-02-17T16:24:07.690Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-20T14:50:00.226Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] Dave Johnson. @michaelkirk-signal That's crazy - The long-press thing works & I'd never heard of it before as a feature/don't know where to find features/tutorial. 2017-02-17T16:57:41.483Z draw attention Write the message again and send. 2017-02-20T14:50:07.179Z message from +[REDACTED].1 1487602231491 2017-02-17T19:50:07.880Z Deleting chain closed at 1487348354198 2017-02-17T17:59:28.829Z data message from +[REDACTED]830.1 1487354391640 2017-02-17T17:01:33.209Z New remote ephemeral key 2017-02-17T19:59:27.125Z clear attention I'm not sure at what point(s) debug logs would be good to send here, and from which device(s). If you didn't see not delivered after sending a text message, it means the message has been successfully sent and received by the recipient. 2017-02-17T20:13:51.342Z message from +[REDACTED].1 1487362454127 2017-02-17T16:57:53.680Z updating notifications 2 2017-02-17T16:57:02.612Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T20:14:26.641Z clear attention Signal 3.2.0.10. 2017-02-17T16:28:19.681Z delivery receipt from +[REDACTED]830.1 1487348898613 2017-02-17T16:21:44.267Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]830 200 Success 2017-02-17T21:00:34.632Z message from +[REDACTED].1 1487365255009 2017-02-17T19:59:47.338Z delivery receipt from +[REDACTED].1 1487361586087 2017-02-17T16:57:52.675Z adding notification 2017-02-17T19:38:25.134Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T19:59:46.294Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] Problems with a mobile device may cause delays in text message transmission. Signal Messages sent to server, but not delivered. 2017-02-17T16:22:51.907Z clear attention 2017-02-17T16:22:51.002Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T21:03:04.369Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success This issue has been automatically marked as stale because it has not had recent activity. 2017-02-17T17:59:03.708Z New remote ephemeral key 2017-02-17T16:12:06.852Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T16:22:50.911Z remove notification 2017-02-17T16:16:31.286Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success I know the recipient of the iMessage is in another country, which means he might not have regular access to Wifi or 3G. 2017-02-17T19:51:46.619Z message from +[REDACTED].1 1487361129337 2017-02-17T19:51:47.742Z updating notifications 1 As long as you have a working Wi-Fi or a mobile data on your phone, WhatsApp messages will be sent . 2017-02-17T16:58:08.565Z data message from +[REDACTED]830.1 1487350711118 After upgrading it, things are back to normal. 2017-02-17T21:00:34.656Z data message from +[REDACTED].1 1487365255009 2017-02-17T19:38:15.907Z data message from +[REDACTED].1 1487360318424 2017-02-17T19:50:04.850Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T16:57:02.658Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T21:49:07.674Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T17:14:22.103Z updating notifications 1 2017-02-17T21:00:51.196Z adding notification 2017-02-20T17:55:05.330Z New remote ephemeral key 2017-02-17T17:14:20.878Z message from +[REDACTED].1 1487351683707 ***> wrote: 2017-02-20T17:56:11.301Z clear attention 2017-02-17T16:56:44.239Z updating notifications 1 2017-02-17T22:06:39.594Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T16:22:34.305Z data message from +[REDACTED].1 1487348576992 If your message is not delivered yet, that means the problem might be on the recipient side. 2017-02-17T16:13:17.817Z delivery receipt from +[REDACTED].1 1487347997692 2017-02-17T16:24:51.567Z data message from +[REDACTED]830.1 1487348713951 2017-02-17T16:56:49.503Z clear attention This is the delete option. Is there anything you can do to help move it forward? 2017-02-17T16:25:02.500Z data message from +[REDACTED]830.1 1487348725343 2017-02-17T20:14:26.645Z remove notification If a certain amount of time passes without the SMS being successfully . 4S phone could see "3 new messages" or "3 messages in queue" but couldn't actually see any msgs 2017-02-17T19:50:22.882Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] I understand the need for the occasional breakage but this is getting to where I need to find a more reliable messenger with read receipts between android and ios. In System Preferences > Notifications > your browser of choice, make sure notifications are toggled on and set to Banners or Alerts. 2017-02-17T19:57:53.216Z clear attention Coming back later to edit: I apologize for that last bit, I was frustrated. 2017-02-17T18:01:34.236Z delivery receipt from +[REDACTED]830.1 1487354493895 2017-02-17T16:20:49.813Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] Other messaging apps work well My problem is similar only no matter how many messages I send to a specific user who is on the IOS (I am on android) the message never gets delivered. 2017-02-17T16:16:16.134Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T20:13:51.529Z draw attention 2017-02-17T19:46:59.919Z data message from +[REDACTED].1 1487360842672 2017-02-20T14:49:58.397Z PUT https://textsecure-service-ca.whispersystems.org:80/v2/keys 2017-02-17T22:05:53.945Z data message from +[REDACTED].1 1487369175453 2017-02-17T16:21:52.380Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T16:58:44.240Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T17:12:37.312Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] Would my friend first have to accept my new safety number change before he will receive my messages ? 2017-02-17T21:00:51.129Z message from +[REDACTED].1 1487365273601 2017-02-17T16:16:31.202Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T22:43:48.633Z delivery receipt from +[REDACTED]848.1 1487371428424 10. 2017-02-17T16:21:52.309Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]830 200 Success 2017-02-17T16:16:17.002Z clear attention 2017-02-17T19:50:07.888Z data message from +[REDACTED].1 1487361030076 2017-02-17T19:47:18.445Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T16:21:28.992Z delivery receipt from +[REDACTED].1 1487348487405 2017-02-17T22:43:15.750Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T20:11:32.965Z adding notification 2017-02-17T20:14:26.797Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success It doesn't happen with other iPhone users. 2017-02-17T22:43:48.533Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T16:21:44.338Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T16:21:27.565Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success > 2017-02-17T19:57:19.365Z adding notification 2017-02-17T22:06:22.314Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-20T14:50:05.378Z group sync 2017-02-17T19:06:00.531Z websocket error 2017-02-17T16:24:36.925Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T16:22:01.213Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success See what you should do when you cannot Send or Receive messages in the Signal app. 2017-02-17T22:43:51.145Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]848 2017-02-20T17:55:08.765Z draw attention 2017-02-20T17:55:05.498Z data message from +[REDACTED].1 1487613325998 2017-02-17T19:47:15.647Z clear attention I can't seem to trigger the bug and I'm not sure if . 2017-02-17T16:24:37.855Z delivery receipt from +[REDACTED].1 1487348676898 2017-02-17T21:53:21.021Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T17:01:04.836Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]830 200 Success 2017-02-17T19:49:11.147Z clear attention 2017-02-20T14:50:08.959Z clear attention 2017-02-17T22:26:43.258Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success Is it impossible, difficult (or safe, good practice) to know when signal is uninstalled but not unsubscribed on the server side??? 2017-02-17T17:59:09.963Z clear attention Usually when someone doesn't get a msg we can at least get the msg "failed to send". 2017-02-17T21:02:31.113Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T16:25:46.299Z delivery receipt from +[REDACTED]830.1 1487348745057 Signal 3.2.1.0, Other user: If you are trying to send SMS from Signal-Android, I believe you can long press on the send button to choose SMS. 2017-02-20T17:07:52.055Z remove notification 2017-02-17T17:14:20.881Z New remote ephemeral key 2017-02-17T19:46:59.889Z message from +[REDACTED].1 1487360842672 My message is stuck as Sending or spinning, what do I do? 2017-02-17T17:14:21.059Z draw attention 2017-02-20T14:49:51.475Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/devices/785541 200 Success 2017-02-17T16:25:25.202Z Sending 1 read receipts Signal is an encrypted communications application for Android and iOS. Some devices have a specific battery optimization that will stop or decrease rate of notifications showing. Signal is experiencing technical difficulties on Friday, January 15th, leading to messages failing to send. 2017-02-17T17:02:09.286Z remove notification 2017-02-20T17:55:05.688Z GET https://textsecure-service-ca.whispersystems.org:80/v1/attachments/2840231457976837925 200 Success 2017-02-17T17:00:49.842Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]830 2017-02-17T21:02:31.069Z Sending 2 read receipts 2017-02-17T21:50:55.733Z updating notifications 1 2017-02-17T16:25:45.091Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]830 2017-02-17T16:22:26.222Z New remote ephemeral key 2017-02-17T20:14:27.645Z clear attention 2017-02-17T16:16:31.778Z delivery receipt from +[REDACTED].1 1487348191163 2017-02-17T19:05:39.527Z GET https://textsecure-service-ca.whispersystems.org:80/v1/devices 200 Success 2017-02-17T19:46:48.473Z updating notifications 1 I also only get 1 check mark. 2017-02-17T16:57:08.092Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T19:49:39.445Z GET https://whispersystems-textsecure-attachments.s3.amazonaws.com/216532373276551366?AWSAccessKeyId=AKIAJHWS3AOTJTASHBDA&Expires=1487364602&Signature=5CN9BwRq9aDBihQ4tZqmbt1hX3w%3D 200 Success 2017-02-17T21:52:08.953Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T22:43:22.167Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]848 This doesn't happen that often, but it happens. 2017-02-17T16:16:16.081Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T21:47:55.519Z adding notification 2017-02-17T17:00:24.474Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T23:00:36.271Z data message from +[REDACTED].1 1487372458929 2017-02-17T19:06:21.655Z GET https://textsecure-service-ca.whispersystems.org:80/v1/devices 200 Success 2017-02-17T22:43:15.810Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success i.e. 2017-02-17T19:47:09.490Z message from +[REDACTED].1 1487360852215 The first thing you will want to do is to make sure the phone has a good internet connection. 2017-02-17T21:32:12.307Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-20T17:56:15.696Z clear attention. 2017-02-20T17:08:03.031Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]889 2017-02-17T17:02:15.335Z delivery receipt from +[REDACTED].1 1487350934244 The message will be sent as an SMS if the " Send as an SMS " option is . 2017-02-17T22:05:41.538Z clear attention signal. 2017-02-17T16:24:36.992Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] This sounds like the root cause can be found on the receiving end. 2017-02-17T22:05:37.920Z updating notifications 1 How to separate Music and Vocals from any Song? 2017-02-17T17:15:02.002Z remove notification 2017-02-17T20:12:08.581Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T19:50:52.703Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T16:16:14.324Z clear attention 2017-02-17T16:28:18.798Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED]830 200 Success 2017-02-17T22:01:04.215Z clear attention 2017-02-17T16:22:34.348Z adding notification 2017-02-17T20:11:32.688Z New remote ephemeral key 2017-02-17T20:12:37.529Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success The first check means the message was received by Signal server, and the second symbolizes that the message was delivered to the user. 2017-02-17T17:59:28.809Z message from +[REDACTED]830.1 1487354391640 2017-02-17T16:24:55.031Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success Any previously scheduled alarm is canceled (only one alarm can be scheduled at any time). 2017-02-17T16:58:51.184Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T16:22:01.175Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T22:43:22.271Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T16:56:43.221Z draw attention 2017-02-20T17:08:27.216Z clear attention 2017-02-17T19:40:42.363Z sent message to +[REDACTED] 1487360465609 from +[REDACTED].1 2017-02-17T16:22:26.421Z adding notification 2017-02-17T16:16:08.043Z adding notification 2017-02-17T21:37:46.235Z adding notification 2017-02-17T16:12:06.700Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T21:41:03.008Z clear attention The secure messaging app saw an influx of users in the last week, following controversy . Confirm you have not blocked the contact. Any progress on that subject? 2017-02-17T19:46:47.432Z data message from +[REDACTED].1 1487360829567 2017-02-17T21:02:31.022Z clear attention Reply to this email directly, view it on GitHub 2017-02-20T14:49:58.580Z handling registration event iMessage doesn't say "Delivered" on your iPhone may due to the person you sending the message to has a non-iOS device. Next, Signal asks you to input your phone number, and then a text message is sent to your phone with a confirmation code to verify the phone number is yours. As soon as you send the message (if you have a good internet connection), one grey tick will appear below your text. Method 1: Check the phone internet connection. Force Restart . 2017-02-17T19:49:42.423Z clear attention 2017-02-17T22:08:18.031Z message from +[REDACTED].1 1487369320834 2017-02-17T16:24:36.967Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T19:49:38.398Z message from +[REDACTED].1 1487360999078 2017-02-17T20:12:08.554Z Sending 1 read receipts 2017-02-20T14:50:00.293Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 409 Error Tap , then tap Try Again. 2017-02-17T19:57:18.735Z GET https://textsecure-service-ca.whispersystems.org:80/v1/attachments/1657448440009109453 200 Success Bug description, When I send messages via the Signal-android app and Signal-Desktop app, I often get a single check mark. 2017-02-17T21:53:21.549Z delivery receipt from +[REDACTED].1 1487368400988 2017-02-17T23:00:36.379Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 200 Success 2017-02-17T17:32:35.711Z clear attention It happens when I'm sending from Android or Desktop. 2017-02-17T22:06:39.552Z PUT https://textsecure-service-ca.whispersystems.org:80/v1/messages/+[REDACTED] 2017-02-17T23:00:36.099Z New remote ephemeral key Read receipt, or media couldn & # x27 ; t be delivered this issue iOS. 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Attention 2017-02-20T17:08:26.200Z clear attention 2017-02-20T17:08:26.200Z clear attention 2017-02-20T17:08:26.200Z clear attention ] 2017-02-20T17:56:15.696Z clear attention clear... Case it 's android < - > android we can at least GET the msg `` failed send... 2017-02-17T19:06:00.537Z GET https: //textsecure-service-ca.whispersystems.org:80/v1/messages/+ [ REDACTED ] 2017-02-20T17:56:15.696Z clear attention 2017-02-17t22:05:37.920z notifications... To server, but not delivered the messages sent to server, but not delivered be delivered [ REDACTED this. Msg `` failed to send upgrading it, things are back to.! Is experiencing technical difficulties on Friday, January 15th, leading to messages failing to send '' way do. In my case signal message not delivered 's android < - > android saving mode If. Send '' decrease rate Of notifications showing power saving mode - If,! Can at least GET the msg `` failed to send 2017-02-17t19:06:00.537z GET https: //textsecure-service-ca.whispersystems.org:80/v1/attachments/919788836112299924 Success...