IP Telephony and Phones

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I have a phone, that when the hand set is picked up, I want to automatically dial an extension. This phone will only be used to dial this extension when the hand set is picked up. We are running Call Manager 6.1. Is this possible, and if so, how d...

Since we have to prepare for the migration of our traditional PBX to an VoIP infrastructure we just started gathering basic knowledge on VoIP communication principles and product specific features. Since we do not have access to an test environment w...

Hello Sirs,I want to ask some question about DID;1- Is DID idea is the PSTN will send last 4 or 5 numbers from the full format number like that 33401234 is the pstn will send to me 1234.or2-this service will force the PSTN to send the called number a...