Hi, Can you please tell me where are the Cisco Extensions registered. Is it a CME or a Avaya server? If it's a CME then following would do the trick: telephony-service secondary dial-tone 9 If it's a CUCM server then you would have a route pattern fo...

Hi, I would request you to explain the question in detail.  From the above if I understand it correctly you want to add access code 8 before every PSTN/External number and want to strip the number 8 on the 2921 gateway before the call is been send on...

Hi Peter, Kindly provide me the complete Call Flow for this type of calls. E.g.: FAX Machine -- 2911 Voice GATEWAY -- SIP -- CUCM -- SIP -- Gateway 2 -- PRI. Once the call flow is provided please also provide the show runn of the gateways involved so...

Hey Anish, As the CP-6921 IP phone are VoIP phones so you cannot connect them direcly via Analog lines, nor there's a converter for this to the best of my knowledge. However if you meant to connect it to a normal port on switch which is not a POE (Po...

Hi Faziz, If your 7821 IP phone has a firmware/software install on it then you do not need any extra files. You can configure the 7821 in CME using fast start method and would be able to use your IP phone. RegardsAkshay