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DataRoute voice User Manual
Enable T38 Support – enable support for T.38 fax compatible devices
Enable V18 Support – enable support for V.18 Textphone compatible devices
Registration Expire Timeout – enter the timeout length for the registration
Registration Retry Interval – enter the retry interval for the registration
DSCP for SIP/RTP – select the codepoint to use when connecting via QoS compatible
systems
Dtmf Relay Setting – select the format to transmit DTMF tones to the network. Tones can
be transmitted In-Band or Out-Of-Band (SIP INFO or RFC2833)
Hook Flash Relay Setting – select whether local Hook Flash should be ignored or sent as
SIP INFO packet
SIP Transport Protocol – select the protocol (UDP or TCP) to use for SIP packets. Most
systems use UDP.
Enable SIP Tag Matching – uncheck when using with Vonage
SIP Prack – use the SIP Prack method instead of ACK
Music Server – enter an address and port for an external music server to provide music on
hold.
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