[YMCS/YDMP Free Trial Program]Yealink would like to offer Free Trial Program of Yealink device management service for our current eligible customers. You can see the details below.
https://www.yealink.com/ydmp-freetrial-2020


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T19 E2 sip
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jolouis Offline
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Posts: 338
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Post: #4
RE: T19 E2 sip
Run a packet trace or pcap on the phone and post the results so Yealink can see exactly what SIP packets are being sent from phone to server and back again. From your description it looks like something is mangling them and Asterisk is getting the wrong info.

Are there any other devices on the network between the Yealink phone and the Asterisk server? i.e. modem/router, firewall, etc?
07-18-2018 02:23 PM
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Messages In This Thread
T19 E2 sip - John Chuang - 07-16-2018, 12:41 AM
RE: T19 E2 sip - Simons_Yealink - 07-17-2018, 03:38 AM
RE: T19 E2 sip - John Chuang - 07-17-2018, 06:20 AM
RE: T19 E2 sip - jolouis - 07-18-2018 02:23 PM
RE: T19 E2 sip - John Chuang - 07-19-2018, 07:22 AM
RE: T19 E2 sip - jolouis - 07-19-2018, 03:57 PM
RE: T19 E2 sip - John Chuang - 07-20-2018, 02:56 AM
RE: T19 E2 sip - jolouis - 07-20-2018, 12:48 PM
RE: T19 E2 sip - John Chuang - 07-23-2018, 06:16 AM

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