ARA-1 Operations Manual
3-6
INTEROPERABILITY NOW
Table 3-1
SIP Settings Options
Block DTMF In-Band:
Block DTMF in the audio stream when using a DTMF Mode other than
In-Band.
Preferred Codec:
The voice compression type the ARA-1 offers for outgoing calls.
Available options: 13 kbps GSM or 64 kbps G.711u (default).
Silence Suppression:
If disabled, packets will be sent even during audio silence. Lack of audio
packets can be an indication that the radio is squelched. See Section 1.8.
Loss of Media
Detection:
Action to take when a loss of the media stream is detected during a call.
Options are Disable (do nothing), Disconnect Immediately (hang up the
call), or reINVITE then Disconnect (Send a reINVITE to try to
reestablish the call and then hang up if that fails).
Loss of Media Timeout:
Number of seconds media is lost before performing the configured action.
Send Radio COR/AUX
Status:
If enabled, COR/AUX input status will be sent via the RTP extension
header.
Accept REFER requests
If enabled, allows operator-assisted call transfers via PBX. Not intended
for immediate/automatic “non-operator assisted” transfers. Supported
operation is as follows: Radio user connects to PBX via the ARA-1. PBX
operator confers with radio user and initiates requested transfer of the
radio connection to a different SIP endpoint.
When the SIP settings have been entered, click
Save
at the bottom of the page. Then click
SIP
Actions
for the next page.