AJChoudhry
Level 1
Level 1
Member since ‎08-10-2020
‎09-15-2020

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I have a Cisco 8851 and loaded it with sip88xx.12-8-1-0001-455. It registers with my third party SIP provider but I'm having a couple of issues:1) No Message Waiting Indicator (Logs show no SIP SUBSCRIBE message-summary being sent from the phone)2) B...
Good afternoon, I have a Cisco IP PHone 8851 with PID: CP-8851-K9 V01 with firmware 12.1.1. I was under that impression that this phone requires MPP firmware to work with third party sip provider such as voip.ms, telzio etc. Can someone advise if wit...
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Member Since ‎08-10-2020 11:52 AM
Date Last Visited ‎09-15-2020 09:09 AM
Posts 6