Voice over Internet Protocol, abbreviated VoIP, is a fairly recent technology. It goes by many names, including Voice Over Broadband (VoBB), Internet Telephony, IP Telephony, and broadband phone.
Even though we have used it in the past, we would not recommend it for professional use. However, please try the below configuration (update the bold values): 1. Asterisk Side, SIP TRUNK, Trunk Description: PSTN ...
Which Cisco 79??. It could be a later model, which you could flash it so as to use SIP. Anyway, try the below: 1. Download and install sccp, Chan_SCCP.
The NAT configuration can be found in /etc/asterisk/sip_general_custom.conf (on elastix, at least) and not in sip.conf as stated in other forums. Do not edit sip.conf.
