Dialogic 4000 SERIES Manuel d'utilisateur télécharger pdf (Page 8)

Dialogic

4000 Media Gateway Series Reference Guide

Page 8

• Basic call incl. numbering services:

• Called Party Number

• Calling Party Number

• Redirecting Number

• Call Routing

• Call Hold/Retrieve (e.g., Re-Invite mapping towards ISDN)

• SIP-side Call Transfer as transfer target (C-party) and as transferee (A-party)

• PSTN-side incoming Call Diversion

• Support for SIP 302 REDIRECT, which works as follows: a SIP call is redirected per 302 Redirect with new IP

port numbers (as used with Microsoft

Office Communications Server 2007, Microsoft

Office

Communications Server 2007 R2, and Microsoft

Exchange Server 2007 without changing the IP address)

• Support for SIP Refer: a SIP call is redirected per SIP Refer to a new SIP target, using Replaces and Referred By

• SIP Session Timer (RFC 4028)

• Simplified Number Normalization based on PSTN connection parameters

• Number Manipulation using Regular Expressions

Media Processing

• Support for the following codecs:

• G.711 A-law and u-law

• G.726 (16, 24, 32, and 40 kbps)

•G.729*

•GSM-FR

•iLBC**

•sRTP

• RTP dynamic payload audio/telephony event

• RTP profile RTP/AVP

• DTMF via RTP payload/telephony event (RFC 2833 or RFC 4733)

• PSTN-side fax tone detection via RTP event (RFC 2833 or RFC 4733)

• 128 ms Echo Canceller supported on all boards, and additionally, 256 ms EC supported on those boards listed

in MultiPRI boards section.

*For G.729, you need to purchase and activate a license before you can use it. For more information, see the

Dialogic

4000 Media Gateway Series Quickstart Guide, which is available at

http://www.dialogic.com/manuals/dmg30004000

. G.729 is only available on Dialogic

Diva

Multiport V-PRI

Media Boards.

**iLBC is only available on Diva Multiport V-PRI Media Boards. On Dialogic

Diva

V-4PRI/E1/T1-120 PCIe HS

boards

and Dialogic

Diva

V-8PRI/E1/T1-240 PCIe FS boards, up to 18 channels for each PRI port are supported.

Reliability

• Load balancing and failover on PSTN side

• Load balancing and failover on SIP side (optionally uses OPTIONS for keep-alive check)

• Alive check for active calls on SIP side via SIP session timer

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Dialogic 4000 SERIES Manuel d'utilisateur Page 8

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