Draytek Vigor IPPBX 2820 Series User Manual page 135

Vigor ippbx 2820 series
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Follow the steps below to setup SIP Alias and achieve DID.
1.
Create a SIP Alias. First of all, make sure your VoIP Service Provider supports SIP
Alias. For example, iptel.org provides such service. When you register an SIP account
866668@iptel.org on iptel.org, you will be provided with a sip alias
3400017904@iptel.org as well. See below.
2.
Setup SIP account on VigorIPPBX 2820. Open the IP PBX>>Line Setting>>SIP
Trunk page and configure the SIP account as follows.
VigorIPPBX 2820 Series User's Guide
127

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