IP Telephony and Phones

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Below is the call flow. PSTN user----->SIP Provider---->SIP trunk(CUCM)------FXS port(VG224). here calls from a specific mobile service provider is failing as our cucm sending wrong IP address as RTP connection address in 200 OK message INVITE comi...

by Not applicable
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Коллеги, приветствую. Есть достаточно сложная схема подключения CUCM и AVAYA...  Если коротко телефон cisco - SBC - PGW 2200 - Gateway - AVAYA.  При звонке с CUCM на AVAYA хаотично появляется странный звук похожий на звук метронома.  В обратную ст...

Good morning dears, I'm new in cisco ip telephony and after a system recovery suddenly cucm are unable to make international calls only. Both local and national calls work normally. For international calls we have route patter 9.! We have two gatew...

Hi, I have written several discussions about the problem of database replication, but now i find error in Tomcat security and start new topic. We have  Cisco Unified CM System version: 9.1.2.11900-12  (Pub and Sub) and Cisco Presence For axl service ...

Hi, I need to setup new sip trunk from SP dentech Netherlands. I got below information from SP.   Username:                165224150@client.dentech.voipit.nl Authentication id:   165224150 (DID number) Password:                 password Proxy-IP:    ...

Resolved! CUCME Help Needed

Hello all,  I have an issue in regards to setting up my CUCME (10.5). I have an ISR 4331 Router running sccp. I'm trying to get Cisco 7945 / 7945G phones to run off of this router and cannot get them to either a) pull down files or b) register.   I p...

Jon Clark by Level 1
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I am having an issue with an IP Communicator through VPN. The IP Communicator is able to be configured and the remote user hears dial tone when going off hook, but there is no audio either way when a call gets connected. I tested cleanly on a laptop ...

carlos15 by Level 1
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Hello, Sorry for the possible crude question.. We currently have CUCM 8.6.2.22040-1 and CUCA 8.6.2.20000-76. We occasionally hire people who will never be in our office but, require a local number and access to Voice Mail. Rather then having a phys...