Hardware Description and Reference for Avaya ... - Avaya Support

Circuit packs, channel service units, and power supplies
TN2302AP IP media processor
The TN2302AP IP Media Processor is the H.323 audio platform and includes a 10/100 BaseT
Ethernet interface. The IP Media Processor provides voice over internet protocol (VoIP) audio
access to the switch for local stations and outside trunks. The IP Media Processor provides
audio processing for between 32 and 64 voice channels, depending on the CODECs in use.
The IP Media Processor is compatible with and can share load balancing with the TN2602AP
Media Resource 320 circuit pack. See Comparison of TN2302AP Media Processor and
TN2602AP IP Media Resource 320 on page 272.
The IP Media Processor supports hairpin connections and the shuffling of calls between TDM
connections and IP-to-IP direct connections. The IP Media Processor can also perform the
following functions:
● Echo cancellation
● Silence suppression
● Fax relay service using T.30 and T.38 standards
● Dual-tone multifrequency (DTMF) detection
● Conferencing
The IP Media Processor can be updated using the firmware download feature.
The TN2302AP, starting with vintage 32, supports the following conversion resources for codec
regarding voice, conversion between codecs, and fax detection:
● G.711, A-law or Mu-law, 64 kbps
● G.723.1, 6.3 kbps or 5.3 kbps audio
● G.729A, 8 kbps audio
● G.729, G.729B, G.729AB
The TN2302AP also supports transport of the following devices:
SECURITY ALERT: Faxes
● Fax, Teletypewriter device (TTY), and modem calls over a corporate IP intranet using
pass-through mode
● Fax and TTY calls using proprietary relay mode
! SECURITY ALERT:
sent to non-Avaya endpoints cannot be encrypted.
● 64kbps clear channel transport in support of BRI secure telephones and data appliances
(does not include support for H.320 video)
● T.38 Fax over the Internet (including endpoints connected to non-Avaya systems)
● Modem tones over a corporate IP intranet
256 Hardware Description and Reference for Avaya Communication Manager