User`s guide

Allworx Server Administrator’s Guide Version 7.6
Page 106 1-866-ALLWORX * 585-421-3850
www.allworx.com
Revised: 11/22/13
Default Auto Attendant
Select the auto-attendant to use when routing inbound calls from this Proxy to an
Auto Attendant.
Proxy is an Enterprise
Server
Enables interfacing to external SIP Proxy services that actually have dial plan
knowledge of the local site, typically not used. See “Enterprise Dialing Feature ”
on page 109 for more information.
Call Routing
Determines the routing of calls received from this proxy inbound to the Allworx
server. This is identical to configuring all outside lines including analog and
digital phone lines.
Advanced
Setting*
Description
Pad DTMF RTP
packets
Some switches and routers discard any UDP packets shorter than 64 bytes.
When checking this box the Allworx system pads the DTMF packet. It expands
the RTP header to make the packet at least 64 bytes long. Typically, leave the
box unchecked.
Enable Early Media
Some service providers send audio before answering an outbound call (using
183 Session Progress in SIP). Use this to relay announcements (e.g. Your call
can not be completed as dialed) or remote ring back tones. When checking this
box, the Allworx system presents the audio to the caller when received. When
unchecking this box, the Allworx system ignores the early audio and generates a
ring back tone internally. Typically, leave the box unchecked.
Supports SIP REFER
This selects the method of transferring calls between multiple remote end-points
through the service provider. When checking this checkbox, the system sends
the SIP REFER to the service provider to enable them to connect the two
end-points within the network without intervention by the Allworx. If unchecked,
the Allworx server acts as a proxy between the two remote ends of the calls.
Typically, leave the box unchecked.
Supports SIP Redirect
This selects the method of redirecting forwarded inbound calls back to the
service provider answering (e.g., system forwards all calls to a cell phone). If
checking this box, the system sends a SIP 300 redirect message. If unchecking
this box, the Allworx system negotiates the call setup for the service provider.
Typically, leave the box unchecked.
Use E.164 format for
phone numbers
Enabling this feature causes rewriting of phone numbers into the international
E.164 format (e.g. 800-555-1212 becomes [phone]). Typically, leave the
box unchecked, unless required by the ITSP.
Offer ‘100rel’ support
Indicate the Allworx supports 'reliability of provisional responses (RFC 3262)'.
Typically, leave the box unchecked.
Account Setting Description