Comtech EF Data SDM-9220 - Manual (Page 139)

Universal E&M/PTT Interface Card
Memotec Inc. 9-11
VOICE 301> Priority Level (0-10,def:0) ?
VOICE 301> Echo canceler (def:ENABLE) ?
VOICE 301> Double talk threshold (db) (def:6) ?
VOICE 301> Echo suppressor (def:ENABLE) ?
VOICE 301> Link down busy (def:NO) ?
VOICE 301> Remote unit (def:NONE) ?
VOICE 301> Remote port number (1-65534,def:301) ?
VOICE 301> Redundant channel (def:NO) ?