Grandstream Networks HT704 Telephone Accessories User Manual


 
FIRMWARE VERSION 1.0.3.1 HT70X USER MANUAL Page 38 of 52
incoming INVITE
call will be rejected. If this option is enabled, the device will not be able to make direct
IP calls.
Allow Incoming SIP
Messages from SIP
Proxy Only
Default is No. Check the incoming SIP messages. If they don’t come from the SIP
proxy, they will be rejected. If this option is enabled, the device will not be able to make
direct IP calls.
SIP T1 Timeout
T1 is an estimate of the round-trip time between the client and server transactions.
If the network latency is high, select larger value for more reliable usage. Default is 0.5
Sec.
SIP T2 Interval
Maximum retransmission interval for non-INVITE requests and INVITE responses.
Default is 4 Sec.
DTMF Payload Type
Sets the payload type for DTMF using RFC2833. Default is 101.
Preferred DTMF method
The HT70X supports up to 3 different DTMF methods including in-audio, via RTP
(RFC2833) and via Sip Info using SIP INFO messages. The user can configure DTMF
method in a priority list.
Disable DTMF
Negotiation
Default is No. If set to yes, use above DTMF order without negotiation
Send Flash Event
Default is No. If set to yes, flash will be sent as DTMF event.
Enable Call Features
Default is Yes. (If Yes, call features using star codes will be supported locally)
Offhook Auto-Dial
This parameter allows users to configure a User ID or extension number that is
automatically dialed when off-hook. Only the user part of a SIP address needs to be
entered here. The HT70X will automatically append the “@” and the host portion of the
corresponding SIP address. HT701 and HT702 only
Offhook Auto-Dial
Delay
The auto-dial delay after off hook.
Proxy-Require
SIP Extension to notify SIP server that the unit is behind the NAT/Firewall.
Use NAT IP
NAT IP address used in SIP/SDP message. Default is blank.
Use SIP User-Agent
Header
Configurable SIP User-Agent Header.
Distinctive Ring Tone
Custom Ring Tone 1 to 3 with associate Caller ID: when selected, if Caller ID is
configured, then the device will ONLY uses this ring tone when the incoming call is
from the Caller ID. System Ring Tone is used for all other calls. When selected but no
Caller ID is configured, the selected ring tone will be used for all incoming calls using
the FXS port or Profile. Distinctive ring tones can be configured not only for matching a
whole number, but also for matching prefixes. In this case symbol * (star) will be used.
For example:
if configured as *617, Ring Tone 1 will be used in case of call arrived from the area
code 617. Any other incoming call will ring using cadence defined in parameter System