Welltech VoIP ATA series V.2.1 - Manual (Page 78)

ATA-171/172/171P/171M/171+/172+
User’s Guide
Proxy Server Input Proxy Server information. Can be IP Address or Domain
Name. Format: xxx.xxx.xxx.xxx；Maximum length is 63 bytes. If
special Port Address is needed, please add it, e.g.:
nat.voiptalk.org:5065
Outbound Proxy Input Outbound Proxy information. Can be IP Address or
Domain Name. Format: xxx.xxx.xxx.xxx；Maximum length is 63
bytes. If special Port Address is needed, please add it, e.g.:
nat.voiptalk.org:5065
Subscribe of MWI Subscribe for MWI function
Your Register SIP Proxy server must support this function.
Status Not Register (failed.) Register (Successfully.)
Figure 2 & 3: 2-FXS equipment
(Figure 2) (Figure 3)