
114 Interoperability
P0937663 02.0
Symbol Telephones
The Business Communications Manager currently can only receive slowStart calls from a Symbol
phone. Since the Symbol phones default to use H.323v2 fastStart, they must be changed to use
slowStart. There are two methods that may be used to do this:
1 Manually edit the files created by NetVision Phone Administrator (NVPA) program. Add a
configuration parameter to set the phones to use slowStart methods.
2 Log into the phone as a privileged user and set the call setup mode to slow start. See the
Symbol documentation for more detailed information about this process.
In order to make calls between Symbol telephones and Business Communications Manager 2.5,
each must be configured to have at least one common codec. The following codecs are supported
by the Symbol telephones.
• G.711 u-law
• G.711 A-law
• G.729 Annex A and Annex B
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