IP Telephony and Phones

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Dear sir,I will integrate cisco callmanager with avaya pbx through h323 trunk and the end points on the avaya system will do the external calls through the external lines that connected on the cisco callmanager so the question here can callmanager ge...

Hi,I am facing echo issue while making conference on speaker mode. I have done some testing on 3 scenario. Here are the scenario:1. Call from one extension to another was working fine on speaker mode.2. Call between 2 mobile phones and 3 extensions (...

Dear all,My CUCM is 6.1.5.10000-10.Media resourse is enabled on pub and sub. All devices, MOD, CFB, voice gateway, IVR are g711 with no expeption.Agent receive call and make conference out every day. Everything is normal.But sometime, the conference ...