Grandstream Networks HT-502 user manual Vad

d.[147] - any digit 1, 4, or 7;

e.<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

		3. Default: Outgoing - {x+}
	Subscribe for MWI	Default is No. When set to “Yes” a SUBSCRIBE for Message Waiting
		Indication will be sent periodically.
	Send Anonymous	If this parameter is set to “Yes”, the “From” header along with Privacy and P_
		Asserted_Identity headers in outgoing INVITE message will be set to
		anonymous, blocking Caller ID.
	Anonymous Call	Default is No. If set to Yes, incoming calls with anonymous Caller ID will be
	Rejection	rejected with 486 Busy message.
	Special Feature	Default is Standard. Choose the selection to meet some special requirements
		from Softswitch vendors.
	Preferred Vocoder	The HT-502 supports up to 5 different Vocoder types including G.711 A-/U-
		law, G.726 (Supports bit rates 16, 24, 32 and 40), G.723.1, G.729A/B/E and
		iLBC. The user can configure Vocoders in a preference list that will be
		included with the same preference order in SDP message. The first Vocoder
		is entered by choosing the appropriate option in “Choice 1”. The last Vocoder
		is entered by choosing the appropriate option in “Choice 8”.
	G723 Rate	Defines the encoding rate for G.723 vocoder. By default, 6.3kbps rate is
		chosen.
	iLBC Frame Size	Sets the iLBC frame size in 20ms or 30ms
	iLBC Payload type	Defines payload type for iLBC. Default value is 97. The valid range is between
		96 and 127.
	G726-16 Payload	Default value is 98. Range is from 96 to 127.
	type
	G726 - 24 Payload	Default value is 99. Range is from 96 to 127.
	type
	G726 - 32 Payload	Default value is 100. Range is from 96 to 127.
	type
	G726 - 40 Payload	Default value is 103. Range is from 96 to 127.
	type
	G729E payload type	Default value is 102. Range is from 96 to 127.
	VAD	Default is No. VAD allows detecting the absence of audio and conserve
		bandwidth by preventing the transmission of "silent packets" over the network.
	Symmetric RTP	Default is No. When set to Yes the device will change the destination to send
		RTP packets to the source IP address and port of the inbound RTP packet last
		received by the device.
	Fax Mode	T.38 (Auto Detect) FoIP by default, or Pass-Through (must use codec
		PCMU/PCMA)
	Fax Tone Detection	Default is Callee. This decides whether Caller or Callee sends out the re-
Grandstream Networks, Inc.		HT-502 User Manual	Page 26 of 35
		Firmware 1.0.0.39	Last Updated: 03/2007