Grandstream HT503 User Manual - Manual (Page 45)

FIRMWARE VERSION 1.0.14.1 HT503 USER MANUAL Page 43 of 64
(in listed order) (RFC2833) and via Sip Info. 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 to be
automatically dialed when offhook. Please note that only the user part of a SIP address
needs to be entered here. The HT503 will automatically append the “@” and the host
portion of the corresponding SIP address.
Note: User will need this IP address when accessing the IVR via the web configuration
page.
Offhook Auto-Dial Delay Configure the delay time for offhook auto-dial function. Range is 0-60 seconds,
default is 0.
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
Used to replace SIP User-Agent Header (No Default)
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.
Distinctive ring tones can be configured not only for matching whole number, but also
for matching prefixes. In this case symbol * (star) will be used.
If server supports Alert-Info header and standard ring tone set (Bellcore) or distinctive
ring tone 1-10 is specified, then the ring tone in the Alert-Info header from server will be
used.
For example:
If configured as *617, Ring Tone 1 will be used in case of call arrived from
Massachusetts. Any other incoming call will ring using cadence defined in parameter
System Ring Cadence located under Advanced Settings Configuration page.
Disable Call Waiting Default is No.
Disable Call Waiting
Caller ID
Default is No. This is to disable the caller ID when a call waiting information arrives.
Disable Call Waiting
Tone
Default is No. This is to disable the stutter Call Waiting Tone when a Call Waiting
information arrives. The CWCID information will still be displayed.
Disable Reminder Ring
for On-Hold Call
Default is No. The reminder ring for the on-hold call will not be played when this is set
to Yes.