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OpenScape Cordless IP V2, Administrator Documentation
Provider and PBX profiles
Configuring telephony server profiles
Select which calls should be accepted:
Redundancy settings
Redundancy - DNS query
VoIP providers provide SIP server redundancy for load balancing and service reliability. SIP servers can be iden-
tified by DNS using different queries:.
Failover server
If
Redundancy - DNS query
= A
In case your provider supports a failover server you can enter the data here.
Enable/disable the use of a failover server via the radio boxes next to
Enable registration
.
Registration server
Enter the IP address or the (fully qualified) DNS name of the failover registration server.
SIP server port
Enter the communication port used on the failover registrar.
Range: 1-65535; Default:
5060
(for UDP/TCP),
5061
(for TLS)
Secure Real Time Pro-
tocol
Security is activated for voice connections.
Accept non-SRTP
calls
Insecure calls are accepted even when SRTP is activated.
A
Records just the specified IP addresses and the related port numbers.
SRV + A Finds an available server port for the specified proxy and registration server. DNS SRV allows a client to
only have to know what type of service it is looking for instead of the actual server.