Akuvox R15P, User Manual

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for displaying.

Register Name: Allocated by SIP server provider,
used for authentication.

User Name: Allocated by your SIP server provide,
used for authentication.

Password: Used for authorization.
SIP Server 1
To display and configure Primary SIP server settings.

Server IP: SIP server address, it could be an URL or
IP address.

Registration Period: The registration will expire after
Registration period, the IP phone will re-register
automatically within registration period.
SIP Server 2 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.
Note
: Secondary SIP server is used for redundancy, it
can be left blank if there is not redundancy SIP server in
user’s environment.
Outbound Proxy Server To display and configure Outbound Proxy server
settings.
An outbound proxy server is used to receive all initiating
request messages and route them to the designated SIP
server.
Note : If configured, all SIP request messages from the IP
phone will be sent to the outbound proxy server
forcefully.
Transport Type To display and configure Transport type for SIP message

UDP:UDP is an unreliable but very efficient
transport layer protocol.

TCP: Reliable but less-efficient transport layer
protocol.

TLS: Secured and Reliable transport layer protocol.

DNS-SRV: A DNS RR for specifying the location of
services.
NAT To display and configure NAT(Net Address Translator)
settings.

STUN: Short for Simple Traversal of UDP over NATS,
a solution to solve NAT issues.
Note : By default, NAT is disabled.