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post #1 of 7 (permalink) Old 2015-06-22, 12:13 PM Thread Starter
Join Date: Nov 2004
Location: Winnipeg
Posts: 195
Text transmission delay

My wife and I both have non-data plans for our Samsung Galaxy Core phones.
She exchanges texts frequently with her friends, and as far as we know, they usually get sent immediately.

Yesterday was one of the exceptions.
She sent me texts at 2:28 PM, 2:33 PM, 5:55 PM and 6:01 PM.
None of them arrived immediately.

Finally, at 6:08 PM I received the first two, and the second two at 6:09 PM.

This behaviour has happened before, but not frequently.
Does anyone have an explanation for this delay?

Dave S.
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post #2 of 7 (permalink) Old 2015-06-22, 03:58 PM
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Location: Winnipeg
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Text messages are like email. Although they will often arrive right away, there can be significant delays between the sender sending and the recipient receiving. From Wikipedia:


Unlike dedicated texting systems like the Simple Network Paging Protocol and Motorola's ReFLEX protocol, SMS message delivery is not guaranteed, and many implementations provide no mechanism through which a sender can determine whether an SMS message has been delivered in a timely manner. SMS messages are generally treated as lower-priority traffic than voice, and various studies have shown that around 1% to 5% of messages are lost entirely, even during normal operation conditions, and others may not be delivered until long after their relevance has passed. The use of SMS as an emergency notification service in particular has been starkly criticized.
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post #3 of 7 (permalink) Old 2015-06-22, 04:55 PM
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It is a very unreliable service, across all carriers, considering the cost some pay for it.

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post #4 of 7 (permalink) Old 2015-06-22, 09:22 PM
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Originally Posted by dschell_2000 View Post
This behaviour has happened before, but not frequently.
Does anyone have an explanation for this delay?
Dave S.
Only your provider can know for sure...but most likely one or the other user or both were being served by sites experiencing congestion at the time.
SMS messages are extremely lightweight, compared to other services and shouldn't consume very much in the way of resources...basically amounts to nothing more than a quick blurb of signaling.

Delay should generally be much more common when messages are exchanged between users of different operators.
Obviously that was not the case here between you and your wife, so maybe you should call your provider and ask them
if there has been any other problems reported in your area.

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post #5 of 7 (permalink) Old 2015-07-02, 09:10 AM
Join Date: Mar 2010
Location: Southern Manitoba
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I often get text messages arriving 4-6 hours after they were sent with MTS. Once I got two messages sent three days before. Not a reliable service for real-time messaging if that is required. Best to call and leave a voice mail... but that can take 2 hours for the receiving party to get an alert. Of course this is Manitoba, what can we expect?

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post #6 of 7 (permalink) Old 2015-07-04, 10:30 AM
Join Date: Jul 2010
Location: Winnipeg mb
Posts: 262
Two hours for a voice mail indicator on MTS? Was that on the old voice mail system that was replaced a few years ago, their new one seems to be reliable.

I have never had more than a 2 minute wait for notification and that's with having a combined voice mailbox. Usually there is a bit of a lag between my cell and landline showing their notifications, but they are within 2 minutes of each other.
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post #7 of 7 (permalink) Old 2015-07-06, 11:00 AM
Join Date: Aug 2005
Location: Winnipeg, Manitoba
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We get frequent calls that go directly to VM with no indication of a caller and the VM notification can take hours and (rarely) days.

TXT is the same...

This is within Winnipeg, regardless of the area of the city.
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