Huawei v200r001 user manual VoIP Configuration Task List, Configuring Dial-peer

User Manual - Configuration Guide (Volume 3)	Chapter 1
Versatile Routing Platform	VoIP Configuration

---Line group access

Set line group access, you can set multiple physical lines as one phone number, in this case if there is an incoming call, it will automatically select the idle line for the reply to reduce the configuration complexity and increase the networking capacity.

1.2 VoIP Configuration

1.2.1 VoIP Configuration Task List

The configuration tasks of the VoIP include:

zConfiguring dial-peer

zConfiguring dial terminator

zConfiguring abbreviated dialing

zConfiguring voice port

zConfiguring the global number match policy

zConfiguring the recovery method of voice board

1.2.2Configuring Dial-peer

The key to mastering the VoIP configuration lies in understanding the dial-peers. According to different locations (the calling side or the called side), we can divide a call into four segments in a complete phone-to-phone connection and each segment (called call leg) corresponds to a dial-peer.

Source Destination

IP Network

Router Router

Call leg for POTS

dial peer 1	Call leg for VOIP
	dial peer 2

Call leg for VOIP	Call leg for POTS
dial peer 3
	dial peer 4

IP Network

Router Router

Destination

Source

Figure VC-1-4Call division viewed from the router at both ends

From the above figure, we can see that, there are two types of the dial-peers used in voice communications:

zPOTS dial-peer

zVoIP dial-peer

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