Grandstream Networks HT503 user manual Negotiation Proxy Require, Dian Plan

incoming INVITE	call 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 reliable usage.
SIP T2 Interval	Maximum retransmission interval for non-INVITE requests and INVITE responses.
DTMF Payload Type	Sends DTMF using RFC2833
Preferred DTMF method	The HT503 supports up to 3 different DTMF methods including in-audio, via RTP
(in listed order)	(RFC2833) and via Sip Info. User can configure DTMF method in a priority list.
Disable DTMF	Default is No. If set to yes, use above DTMF order without negotiation
Negotiation
Proxy Require	SIP Extension to notify SIP server that the unit is behind a NAT/Firewall.
Use NAT IP	NAT IP address used in SIP/SDP message. Default is blank.
Ring Timeout	Sets the time in which an incoming from PSTN call will stop ringing when not picked up.
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
	dials a number. If set to “Yes”, an INVITE is sent using the dial-number collected thus
	far. Otherwise, no INVITE is sent until the “(Re-)Dial” button is pressed or after about 5
	seconds have elapsed. The “Yes” option should be used ONLY if there is a SIP proxy
	configured and the proxy server supports 484 Incomplete Address response.
	Otherwise, the call will likely be rejected by the proxy (with a 404 Not Found error).
	Note: This feature is NOT designed to work with and should NOT be enabled for direct
	IP-to-IP calling.
Dial Plan Prefix	Sets the prefix added to each dialed number.
Use # as Dial Key	This allows users to configure the # key as the “Send” (or “Dial”) key. If set to “Yes”, “#”
	will send the number. In this case, this key is essentially equivalent to the “Dial” key. If
	set to “No”, the “#” key can be included as part of a number.
Dian Plan	Dial plans work only for incoming calls from PSTN network. In case unconditional call
	forward to VoIP is configured, dial plan feature will not work. In case of normal dialing
	to VoIP, after dialing PSTN number,
	If using the ‘hop on/hop off’ feature, the dial plan rules affect only the last called number
	(i.e. the number called after receiving dial tone from the ATA).
	Dial Plan Rules:
	4. Accept Digits: 1,2,3,4,5,6,7,8,9,0 , *, #, A,a,B,b,C,c,D,d
	5. Grammar: x - any digit from 0-9;
	a. xx+ - at least 2 digits number;
	b. xx. – at least 2 digits number;
	c.	^ - exclude;
	d. [3-5] - any digit of 3, 4, or 5;
	e. [147] - any digit 1, 4, or 7;
	f.	<2=011> - replace digit 2 with 011 when dialing
	• Example 1: {[369]11 1617xxxxxxx} –
	Allow 311, 611, 911, and any 10 digit numbers of leading digits 1617
	• Example 2: {^1900x+ <=1617>xxxxxxx} –
	Block any number of leading digits 1900 and add prefix 1617 for any dialed 7
	digit numbers
	• Example 3: {1xxx[2-9]xxxxxx <2=011>x+} –
	Allow any length of number with leading digit 2 and 10 digit-numbers of
	leading digit 1 and leading exchange number between 2 and 9; If leading digit
	is 2, replace leading digit 2 with 011 before dialing.
	6. Default: Outgoing - {x+}
	Example of a simple dial plan used in a Home/Office in the US:
Grandstream Networks, Inc.		HT503 User Manual	Page 31 of 38
		Firmware 1.0.4.2	Last Updated: 06/2011