IP Telephony and Phones

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Hello,We need to configure a IP Phone with public address and to do it we need to configure some NATs. The SIP Server is at Internet.One of the solutions that is possible is to use a SIP Proxy. Does anyone knows if Cisco ASA can be configured as a SI...

imfvieira by Level 1
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Hi, I have BE6ks with a gateway 2921 and two BRI, i have the outgoing problem, tihs is the debug isdn q931: Aug 17 10:14:33.435: ISDN BR0/2/0 Q931: TX -> SETUP pd = 8  callref = 0x05        Sending Complete        Bearer Capability i = 0x8090A3      ...

Dear All ,I need to understand CME Licencing when purchase new phones . As I have misunderstand about below ,what is mandatory ,what is optional .SW-CCME-UL-ESS=FL-CME-SRST-25FL-SRST what about if I have another phone system with phones connected to ...