IP Telephony and Phones

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I have a 8851 VoIP phone that now has no ringer noise at all. Second phone with this same issue. New phone worked for about 2 weeks and now is having the same no ring sound issue.  Have tried factory reset and have checked call service settings; also...

dsmutz by Level 1
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Resolved! si

Dear experts, We are planning to establish a SIP trunk from Cisco VG gateway to a new non-Cisco Session Border Controller (SBC). Currently, the Cisco gateway is configured with MGCP, but we intend to enable SIP for the purpose of setting up the SIP t...

min ko by Level 1
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  • 1 replies
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Hi.I have configured CME on cisco 2811. now I have incoming calls from PSTN but i can't establish an outgoing calls. I need your help. Destination is not Busy but it return Dest busy message. *Dec 14 16:40:05.415: //-1/44F676F68026/CCAPI/cc_api_displ...

Raminkn20 by Level 1
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  • 19 replies
  • 0 Helpful votes