IP Telephony and Phones

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Hi Everyone, We have replaced our 7925 SCCP by 8821 SIP. Everything works perfectely well except the ringback when 8821 dials an internal extension. Here're the senarios: 1)8821 calls an internal number (No ringback tone for 8821) 2)8821 calls the sa...

I've got a tricky problem which is a little difficult to solve. The setup:  SITE 1                          SITE 2  ------                          ------   C2821    ----    WAN    ----    C2821 CUCME 8.6                       CUCME 8.6 CUE 7.0.5 ...

Hello, I am a novice with VoIP but I am learning alot through these forums and Google searches. So we use Cisco 7960 VoIP phones in our office but we have grown in employees, so we bought some new Cisco 7960 phones, however, we are setup as SIP in ou...

tim by Level 1
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