1、 TIA-664.507-B (Revision of TIA-664.507-A) October 2007Wireless Features Description: Call Waiting (CW) ANSI/TIA-664.507-B-2007 APPROVED: OCTOBER 12, 2007 REAFFIRMED: DECEMBER 20, 2012 NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through eliminating mis
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19、 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 60 507-i Contents Wireless Features Description: Call Waiting Contents List of Tables.ii Revision Historyii 1 Call Waiting (CW)1 1.1 Normal Procedures with Successful Out
20、come1 1.2 Exception Procedures or Unsuccessful Outcome .6 1.3 Alternative Procedures .7 1.4 Interactions with Other Wireless Services7 TIA-664.507-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 5
21、4 55 56 57 58 59 60 List of Tables 507-ii List of Tables Table 1: CW Subscription Options 1 Table 2: 2-Way State for Call Waiting 3 Table 3: 2-Way Notification State for Call Waiting 4 Table 4: 2-Way CW State for Call Waiting.5 Table 5: 2-Way State for Call WaitingException 6 Revision History Revisi
22、on 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 Initial ANSI publication ANSI/TIA/EIA/664-507-A July 2000 Updated ANSI publication TIA-664.507-B September 2007 Updated publication TIA-664.507-B 1
23、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 60 507-1 Call Waiting (CW) 1 Call Waiting (CW) Call Waiting (CW) provides notification to a controlling subscriber of an incoming call
24、 while the subscribers call is in the 2-way state. Subsequently, the controlling subscriber can either answer or ignore the incoming call. If the controlling subscriber answers the second call, it may alternate between the two calls. CW does not impact a subscribers ability to originate calls. Appli
25、cability to Telecommunications Services CW is applicable to voice telecommunication services. 1.1 Normal Procedures with Successful Outcome Authorization CW may be generally available or may be provided after prearrangement with the service provider. CW may be authorized for the following options: T
26、able 1: CW Subscription Options Subscription Options Values Temporary Cancellation Demand. The subscriber is authorized to cancel or deactivate CW for a single call. Permanent. CW may not be canceled or deactivated for a single call. Activation Demand. The subscriber is authorized to control the act
27、ivation and deactivation of CW. Permanent. CW is active while authorized (unless canceled). Deauthorization CW may be withdrawn at the subscribers request or for administrative reasons. Registration CW has no registration. TIA-664.507-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
28、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 Call Waiting (CW) 507-2 Deregistration CW has no deregistration. Activation CW may be activated upon authorization. CW may be activated by a Demand Activation authorized subscriber specifying
29、a CW activation feature code, as in: *FC + SEND . If the activation is accepted, the system shall indicate success with feature confirmation treatment. Deactivation CW shall be deactivated upon deauthorization. CW Demand Deactivation CW may be deactivated by a Demand Activation authorized subscriber
30、 specifying a CW deactivation feature code, as in: *FC0 + SEND . If the deactivation is accepted, the system shall indicate success with feature confirmation treatment. Temporary Cancellation During a Call CW may be canceled during a single call by a Demand Cancellation authorized subscriber issuing
31、 a flash request and then specifying a CCW feature code, as in: *FC0 + SEND . If the cancellation is accepted, the system may indicate success with feature confirmation treatment and then reconnect the call. At the completion of the call, CW shall resume the activation state prior to using the cance
32、l CW feature code. Temporary Cancellation With a Call Setup Request CW may be canceled for a single call concurrently with a call request by a Demand Cancellation authorized subscriber specifying a CCW feature code and a termination address, as in: *FC0 + # + termination address + SEND . Alternative
33、ly: *FC + termination address + SEND is possible, if a fixed length Temporary Cancellation feature code is distinct from the deactivation feature code. TIA-664.507-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
34、 49 50 51 52 53 54 55 56 57 58 59 60 507-3 Call Waiting (CW) If the cancellation is accepted, the system may indicate success with feature confirmation treatment and then the call is allowed to proceed toward the termination address. At the completion of the call, CW shall resume the activation stat
35、e prior to using the cancel CW feature code. Invocation CW is invoked when a incoming call attempt arrives for a subscriber who is already engaged in conversation on a prior call, who does not have another call waiting, and who has CW active. Normal Operation with Successful Outcome The following ta
36、bles describe the call party actions and system reactions for CW. Table 2: 2-Way State for Call Waiting 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
37、 3I 2 A call arrives from a calling party for a controlling subscriber in a two-way conversation and with CW active. CW notification is applied to the controlling subscriber. The CW notification is repeated once if the waiting call is not answered. Audible ringing is applied to the calling party unt
38、il the call is answered or given no answer treatment. Go to the 2-way CW notification tate. sThe CW notification may be an audible Call Waiting Tone injected into the voice path, a message on the alphanumeric display, or both. TIA-664.507-B 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
39、 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 Call Waiting (CW) 507-4 Table 3: 2-Way Notification State for Call Waiting State 2-way CW notification Condition The controlling subscriber is in a two-way conversation with the other part
40、y and call waiting notification is applied. XID Call Party Action System Reaction 7S The controlling subscriber signals a flash request by pressing the SEND key without digits. Remove the call waiting notification. Place the other party on hold. Connect the controlling subscriber and the calling par
41、ty. Go to the 2-way CW state. 7E The controlling subscriber requests a disconnect by pressing the END key. Release the other party. Remove the call waiting notification. Apply the alerting to the controlling subscriber for the calling party. Go to the Alerting state. 7A The controlling subscriber en
42、ters a termination address, as in: termination address + SEND . Ignore any accompanying digits. Remove the call waiting notification. Place the other party on hold. Connect the controlling subscriber and the calling party. Go to the 2-way CW state. 7F7U The controlling subscriber enters a feature co
43、de string, as in: *FC + SEND or *FC + SEND . Ignore any accompanying digits. Remove the call waiting notification. Place the other party on hold. Connect the controlling subscriber and the calling party. Go to the 2-way CW state. 7D The other party disconnects. Release the other party. Remove the ca
44、ll waiting notification. Apply the alerting to the controlling subscriber for the calling party. Go to the Alerting state. 7I A call arrives from a calling party for the controlling subscriber with CW active. The calling party is given busy treatment. Remain in the 2-way CW notification state. 7T Th
45、e calling party abandons his or her all attempt. cRemove the call waiting notification. Go to he 2-way state. tTIA-664.507-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 60 507-
46、5 Call Waiting (CW) Table 4: 2-Way CW State for Call Waiting State 2-way CW Condition The controlling subscriber is in a two-way conversation with the other party and a third party is on hold. XID Call Party Action System Reaction 8S The controlling subscriber signals a flash request by pressing the
47、 SEND key without digits. Place the other party on hold. Connect the controlling subscriber and the third party. Remain in the 2-way CW state. 8E The controlling subscriber requests a disconnect by pressing the END key. Release the other party. Apply the recall distinctive alerting for the third par
48、ty to recall the controlling subscriber. Optionally apply audible alerting to the held party. Go to the Alerting state. 8A 8F8U The controlling subscriber enters a termination address, as in: termination address + SEND , *FC + SEND , or *FC + # + termination address SEND Ignore any accompanying digi
49、ts. Place the other party on hold. Connect the controlling subscriber and the third party. Remain in the 2-way CW state. 8I A call arrives from a calling party for the controlling subscriber with CW active. The calling party is given busy treatment. Remain in the 2-way CW state. 8H The held (third) party disconnects. Release the held (third) party. Go to the 2-way state. 8D The other party disconnects. Optionally apply a warning tone. Release the other party. Connect the controlling subscriber and the third party. Go to the -way state. 2Call Detail Record The system should recor
