Akuvox E21 Series User Manual

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3.3.2. SIP Sever 1
Server IP: To enter SIP server’s IP address or URL.
3.3.3. SIP Sever 2
Server IP: To display and configure Secondary SIP server
settings. This is for redundancy, if registering to Primary SIP
server fails, the IP phone will go to Secondary SIP server for
registering.
3.3.4. Outbound Proxy Server
An outbound proxy server is used to receive all initiating
request messages and route them to the designated SIP
server.

Akuvox E21 Series Specifications

General

Brand	Akuvox
Model	E21 Series
Category	Intercom System
Language	English