1、 TIA-664.510-B (Revision of TIA-664.510-A) October 2007Wireless Features Description: Conference Calling (CC) ANSI/TIA-664.510-B-2007 APPROVED: OCTOBER 12, 2007 REAFFIRMED: JANUARY 24, 2013 NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through eliminatin
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19、15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 510-i Contents Wireless Features Description: Conference Calling Contents List of Figures .ii List of Tablesiii Revision History.iv 1 Conference Calling (CC) 1 1.
20、1 Normal Procedures with Successful Outcome1 1.2 Exception Procedures or Unsuccessful Outcome .10 1.3 Alternative Procedures .12 1.4 Interactions with Other Wireless Services15 TIA-664.510-B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 4
21、0 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 List of Figures 510-ii List of Figures Figure 1: Conference Calling State Diagram 9 TIA-664.510-B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
22、 51 52 53 54 55 56 57 58 59 60 510-iii List of Tables List of Tables Table 1: Idle State for Conference Calling 3 Table 2: 2-Way State for Conference Calling .4 Table 3: Adding On State for Conference Calling 4 Table 4: Conference Adding On State for Conference Calling .5 Table 5: Conference 2-Way S
23、tate for Conference Calling 7 Table 6: Alerting State for Conference Calling .8 Table 7: Conference State for Conference Calling8 Table 8: 2-Way State for ConferenceException 10 Table 9: Adding On State for Conference CallingException 11 Table 10: Adding On State for Conference CallingException 11 T
24、able 11: Conference 2-Way State for Conference CallingException12 Table 12: 2-Way State for Conference CallingAlternative13 Table 13: Conference 2-Way StateAlternative14 Table 14: Conference StateAlternative15 TIA-664.510-B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 2
25、9 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 Revision History 510-iv Revision History Revision Date Remarks IS-53, Revision 0 August 1991 Initial publication IS-53, Revision A May 1995 Updated publication ANSI/TIA/EIA-664, Revision 0 June 1996 Initia
26、l ANSI publication ANSI/TIA/EIA/664-510-A July 2000 Updated ANSI publication TIA-664.510-B September 2007 Updated publication TIA-664.510-B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 5
27、7 58 59 60 510-1 Conference Calling (CC) 1 Conference Calling (CC) Conference Calling (CC) provides a subscriber with the ability to have a multi-connection call, i.e., a simultaneous communication between three or more parties (conferees). If any of the conferees to a conference call disconnects, t
28、he remaining parties remain connected. If the controlling subscriber of a conference call disconnects, the conference circuit and all conferees are released. CC remains in effect until the controlling subscriber disconnects. The controlling party may drop the conferee connected the shortest time wit
29、h the “drop last party” feature code. Any number of conferees may be dropped this way. The conference call terminates when no other conferee remains. CC does not impact a subscribers ability to originate calls. Applicability to Telecommunications Services CC is applicable to voice telecommunication
30、services. 1.1 Normal Procedures with Successful Outcome Authorization CC may be generally available or may be provided after prearrangement with the service provider. The subscription parameters may include the maximum number of conferees allowed in a subscribers conference call. The maximum number
31、of conferees in any conference call is also dependent upon the local service provider. Deauthorization CC may be withdrawn at the subscribers request or for administrative reasons. Registration CC has no registration. Deregistration CC has no deregistration. TIA-664.510-B 1 2 3 4 5 6 7 8 9 10 11 12
32、13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 Conference Calling (CC) 510-2 Activation CC is activated upon authorization. Deactivation CC shall be deactivated upon deauthorization. Invocation Invocatio
33、n with a Call Setup Request CC may be invoked by an authorized subscriber concurrently with a call setup request with the following feature activation sequence: *FC + # + termination address + SEND . Alternatively: *FC + termination address + SEND is possible, if a fixed length invocation feature co
34、de is distinct from the drop last party invocation feature code. Invocation within a Two-Way Call CC may be invoked from within a two-way call by an authorized subscriber (with or without a preceding flash request) followed by one of the following feature activation sequences: *FC + SEND or *FC + #
35、+ termination address + SEND . Alternatively: *FC + termination address + SEND is possible, if a fixed length invocation feature code is distinct from the drop last party invocation feature code. Adding a Party to a Conference Call Once invoked, CC remains invoked until the controlling subscriber di
36、sconnects. Additional parties may be added with one of the following feature activation sequences: termination address + SEND or *FC + # + termination address + SEND . Alternatively: *FC + termination address + SEND TIA-664.510-B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 2
37、7 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 510-3 Conference Calling (CC) is possible, if a fixed length invocation feature code is distinct from the drop last party invocation feature code. Drop Last Party Invocation within a Conference Call
38、The conferee most recently added to a conference call may be dropped from within the call or after placing the call on hold, by the controlling subscriber specifying the “drop last party” feature code (with or without a preceding flash request), as in: *FC0 + SEND . Alternatively: *FC + termination
39、address + SEND is possible, if a fixed length drop last party invocation feature code is distinct from the conference invocation feature code. Drop the conferee most recently added to the conference, if any, and play an optional warning tone to announce the departure of the conferee. The controlling
40、 subscriber shall be connected to the remaining conferees. If there are no confereesall conferees have already been dropped or disconnecteddisconnect the controlling subscriber and terminate the conference call. Normal Operation with Successful Outcome The following tables describe call party action
41、s and system reactions for CC. Table 1: Idle State for Conference Calling State Idle Condition The controlling subscriber is idle. XID Call Party Action System Reaction 1F 3 The controlling subscriber enters the CC invocation feature code string, as in: *FC + SEND . Apply prompting treatment. Go to
42、the conference adding on state. 1U 2 The controlling subscriber enters the CC invocation feature code and termination address, as in: *FC + # + termination address + SEND . Attempt to establish a connection to the termination address allowing the controlling subscriber to hear call progress tones an
43、d announcements. Go to the Conference 2-way state. TIA-664.510-B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 Conference Calling (CC) 510-4 Table 2: 2-Way State for Conferenc
44、e Calling State 2-way Condition The controlling subscriber is alerting the other party, or the controlling subscriber is in a two-way conversation with the other party. XID Call Party Action System Reaction 3S 2 The controlling subscriber presses the SEND key without digits while in a wo-way convers
45、ation. tPut the other party on hold. Apply prompting treatment. Go to the Adding on state. Table 3: Adding On State for Conference Calling State Adding on Condition One party is on hold. The system is waiting for the controlling subscriber to enter a feature code or the address of a third party. XID
46、 Call Party Action System Reaction 4F 1 The controlling subscriber enters the CC feature code string, as in: *FC + SEND . Apply prompting treatment. Go to the Conference adding on state. 4U 1 The controlling subscriber enters the CC feature code string with a call setup request, as in: *FC + # + ter
47、mination address + SEND . Attempt to establish a connection to the termination address allowing the controlling subscriber to hear call progress tones and announcements. Go to the Conference 2-way state. 4H 1 The held party disconnects. Release the held party. The voice channel may be released. Any
48、further action by the subscriber is treated as a new service request. Go to the Idle state. 4I 1 An incoming call arrives for the ontrolling subscriber. cApply busy treatment to the calling party. emain in the Adding on state. RTIA-664.510-B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 2
49、3 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 510-5 Conference Calling (CC) Table 4: Conference Adding On State for Conference Calling State Conference adding on Condition Zero or more conferees on hold and are allowed to converse. The system is waiting for the controlling subscriber to enter the address of a new conferee. XID Call Party Action System Reaction 9S1 The controlling subscriber presses the SEND key without digits and at least one conferee is on hold. Reconnect the held conferee(s) and the con
