VoIP

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Dial-Peer Wildcards

. - single digit
[] - range of numbers
+ - E.164 (telelphone number) 555-1000
T - string of unknown length

Codecs

G.711 - 64kbps; straight analog-to-digital conversion; highest quality; default w/ calls on same router
G.729 - 8kbps; default with voip
G.723 - 6.3kbps; older cisco codec

Configuration

Basic Port

config# voice-port 1/0/0 (physical)
config-voiceport#

Pots Configuration (local)

config# dial-peer voice 1 pots (logical)
config-dial-peer# destination-pattern 1111 (phone number)
config-dial-peer# port 1/0/0

Voice over IP configuration (remote)

config# dial-peer voice 2 voip (logical)
config-dial-peer# destination-pattern 2222 (phone number)
config-dial-peer# session target ipv4:192.168.1.2

View/Debug Commands

show voiceport summary
show dial-peer voice
show voice call summary
show call active voice