DBL Technology EP-636 User Manual
DTMF Payload Type is used to carry telephony tones and telephony signals. By using a distinct
dynamic RTP payload type in the same RTP stream as the media, it is possible to carry DTMF
tones, fax-related tones, standard subscriber line tones, country-specific tones and trunk events.
Register Expiry is the deadline for the validity of your registration. If you miss this date, you will
have to register again.
SIP Local Port is the local UDP port used by the SIP client to communicate with SIP proxy and
other SIP user agents.
In most cases, the SIP Outbound Proxy is placed alongside the firewall and is the way to let SIP
traffic pass from the internal network to the Internet. Ask your network administrator for these
parameters.
STUN stands for Simple Traversal of UDP over NAT. It is a protocol which enables the SIP phone
to detect the presence and type of NAT behind which the phone is placed. SIP Stun Server refers
the SIP address of the Stun Server.
Voice Mail Num is the number for voice mail.
SIP Operation Mode is to enable some vendor specific support. Your service provided will
provide the appropriate value if needed, otherwise let it be empty.
DTMF Type is used for telephone signaling over the line in the voice frequency band to the call
switching center. It includes two types: Inband and Outband (RFC2833 and SIP Info).
Enable MWI.
Disable Keep Alive.
Disable Call Wait.
Forward Type includes three types: Not Forward, Unconditional Forward, and Forward on
Busy.
Call Forward Number is the number for call forward.
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