IP Telephony and Phones

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Hi thereI have a situation with a customer that puchased CCM5 and used the old CCM4 licensing,is there a way to upgrade the the phone licensing to be compatible with CCM5Thanks in AdvanceTau

tmailula by Level 1
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Hi, I'm using CallManager 5 and have set up a SIP trunk to a remote voice gateway which in turn is connected to the PSTN. I dial a number from the CCM SIP phone (a 7960), it connects but no conversation is heard. Debug on the voice gateway shows the ...

lanksfdj by Level 1
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I saw an old documentation srst for cme, which describes the function of the srst for cme. But this works only for the older phones e.g. 7940 (not for the 7941).I wrote also in a press release at the beginning of december 2006 "Support for srst with ...

pf by Level 1
  • 283 Views
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Folks, I am confussed. Reading about GK. The routing algorith says that if the zone matches check to see if the zone is local, if the zone if local check to see if technology prefix wa defined. My question is why is the technology prefix chec...

I have a CCM system with 200 phones in five buildings. I have been looking into setting greater security for the VOIP system. All of our data/voice is seperated in to VLANs per building. What I would like to do is put ACLs on the CCM servers VLAN ...

bevans by Level 1
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Hi,Is there anyway of forcing RX and TX UDP port to be the same when a call is made through Cisco Wave Drivers?For some reason they allocate different port unlike a normal Cisco Ip Phone.Do Cisco Wave Drivers use the WinRtp library?Is there anyway to...