Instruction Manual

FIRMWARE VERSION 1.0.9.1 HT503 USER MANUAL Page 40 of 59
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.
Disable Visual MWI
If set to “YES”, the MWI information will not be transferred to the analog phone
connected to the FXS port.
Ring Timeout
Sets the time in which an incoming call will stop ringing when not picked up.
Default value is 20 seconds. In case this feature activated using * codes (*92 code),
the call will be forwarded after this preconfigured amount of time.
No Key Entry Timeout
Default is 4 seconds.
Early Dial
Default is No. Use only if proxy supports 484 response. This parameter controls
whether the phone will send an early INVITE each time a key is pressed when a user