思科语音板卡配置
Cisco Voice
1.指定e1语音卡类型，未加载的卡在show run中可以看到
! card type command needed for slot/vwic-slot 1/0 #未加载的语音卡
#加载语音卡
card type e1 0 0
2.指定e1卡的时钟
#show run中显示的未配置时钟的卡
no network-clock-participate slot 1
no network-clock-participate slot 2
no network-clock-participate slot 3
no network-clock-participate slot 4
#配置时钟
3.站位
isdn switch-type primary-net5
4 #
controller E1 1/0
framing NO-CRC4
pri-group timeslots 1-31
5 #创建中继组
trunk group trg01
6 #将e1绑定到中继组
interface Serial0/0/0:15
no ip address
encapsulation hdlc
no cdp enable
isdn switch-type primary-net5
isdn incoming-voice voice
trunk-group trg01 #只有这一条需要配置，其余为自动生成
6 #配置可信sip列表
voice service voip
ip address trusted list
ipv4 192.168.33.40
7 #配置编码组
voice class codec 1
codec preference 1 g711ulaw
codec preference 2 g711alaw
codec preference 3 g729r8
codec preference 4 g729br8 (内置可以不用配）
8 #配置号码变换规则（非必须）
voice translation-rule 1
rule 1 /^\(.*\)$/ /9\1/
9 配置cor
dial-peer cor custom
name pstn1
name pstn2
!
dial-peer cor list pstn1
member pstn1
!
dial-peer cor list pstn2
member pstn2
10
#标记e1呼到cor pstn1
dial-peer voice 1 pots
corlist incoming pstn1
incoming called-number .T
direct-inward-dial
!
#所有corlist pstn1的呼入转向33.40
dial-peer voice 10 voip
corlist outgoing pstn1
destination-pattern .T
session protocol sipv2
session target ipv4:192.168.33.40
voice-class codec 1
dtmf-relay sip-notify rtp-nte
no vad
!
dial-peer voice 20 voip
corlist incoming pstn2
answer-address ^95......$
session protocol sipv2
session target ipv4:192.168.33.40
voice-class codec 1
dtmf-relay sip-notify rtp-nte
no vad
!
dial-peer voice 30 pots
trunkgroup trg01
corlist outgoing pstn2
destination-pattern .T
常用命令
Router#show dial-peer voice summary
Dial Peer 用于匹配入站 VoIP 呼叫。VoIP Dial Peer 2000 和 1000 用于将呼叫转发到相应的远端站点。VoIP Dial Peer 使用命令 destination-pattern 和 session target 来实现呼叫转发。为了匹配入向VoIP Dial Peer，管理员可以使用以下优先级顺序来配置相应参数：incoming called-number、answer-address和destination-pattern。
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https://blog.51cto.com/lazycatcyy/5012287
