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SIP Release Notes 46 Document #: LTRT-26901
CPE SIP Products
36. BRI Suspend-Resume Supplementary Service:
Product
MP-11x MP-124
Mediant 600 Mediant 1000
Mediant 800 MSBG Mediant 1000 MSBG
Mediant 2000
Mediant 3000/TP-6310 Mediant 3000 HA/TP-6310
Mediant 3000/TP-8410 Mediant 3000 HA/TP-8410
Management Protocol
Web INI
SNMP
EMS
CLI
This feature provides support for call suspend and resume services initiated by ISDN
BRI phones connected to the device. During an ongoing call, the BRI phone user can
suspend the call by typically pressing the phone’s “P” button or a sequence of buttons
(depending on the phone) and then on-hooking the handset. To resume the call, the
phone user typically presses the same button(s) again and then off-hooks the phone.
During the suspended state, the device plays a Howler tone to the remote party.
Note that instead of pressing the call park button(s), the phone cable can also be
disconnected (suspending the call) and then reconnected again (resuming the call).
If the phone user does not resume the call within a user-defined interval (configured
using the existing HeldTimeout parameter), the device releases the call.
37. Attended Call Transfer for BRI Interfaces:
Product
MP-11x MP-124
Mediant 600 Mediant 1000
Mediant 800 MSBG Mediant 1000 MSBG
Mediant 2000
Mediant 3000/TP-6310 Mediant 3000 HA/TP-6310
Mediant 3000/TP-8410 Mediant 3000 HA/TP-8410
Management Protocol
Web INI
SNMP
EMS
CLI
This feature provides support for attended (consultation) call transfer for BRI phones
(user side) connected to the device and using the Euro ISDN protocol. BRI call transfer
is according to ETSI TS 183 036, Section G.2 (Explicit Communication Transfer –
ECT). Call transfer is enabled using the existing parameters, EnableTransfer and
EnableHoldtoISDN.
Note: Currently, the BRI interface does not support blind call transfer.