Robustel W800 - Manual (Page 51)

Robustel GoFixed W800 User Guide
RT_W800_UG_v02.00
04.11.2011 Page 50 /59
Confidential
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.