User's Manual

Chapter 14 Product Specifications
BM2022 Users Guide
204
Note: To take full advantage of the supplementary phone services available through the
BM2022's phone port, you may need to subscribe to the services from your voice
account service provider.
Not all features are supported by all service providers. Consult your service
provider for more information.
SIP ALG Your device is a SIP Application Layer Gateway (ALG). It allows VoIP calls to
pass through NAT for devices behind it (such as a SIP-based VoIP software
application on a computer).
Other Voice
Features
SIP version 2 (Session Initiating Protocol RFC 3261)
SDP (Session Description Protocol RFC 2327)
RTP (RFC 1889)
RTCP (RFC 1890)
Voice codecs (coder/decoders) G.711, G.726, G.729
Fax and data modem discrimination
DTMF Detection and Generation
DTMF: In-band and Out-band traffic (RFC 2833),(PCM), (SIP INFO)
Point-to-point call establishment between two IADs
Quick dialing through predefined phone book, which maps the phone dialing
number and destination URL.
Flexible Dial Plan (RFC3525 section 7.1.14)
Table 103 Star (*) and Pound (#) Code Support
*0 Wireless Operator Services
*2 Customer Care Access
*66 Repeat Dialing
*67 Plus the 10 digit phone number to block Caller ID on a single call basis
*69 Return last call received
*70 Followed by the 10 digit phone number to cancel Call Waiting on a single call
basis
*72 Activate Call Forwarding (*72 followed by the 10 digit phone number that is
requesting call forwarding service)
*720 Activate Call Forwarding (*720 followed by the 10 digit phone number that is
requesting deactivation of call forwarding service)
*73 Plus the forward to phone number to activate Call Forwarding No Answer (no
VM service plan)
*730 Deactivate Call Forwarding No Answer
*740 Plus the forward to phone number to activate Call Forwarding Busy (no VM
service plan)
*911/911 Emergency phone number (same as dialing 911)
*411/411 Wireless Information Services
Table 102 Voice Features