2section (Continued) 6 Layer 3 Processing
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- 2.6.10.1 Alerting
- 2.6.10.1.2 Waiting for Mobile Station Answer Substate
- 2.6.10.2 Conversation Substate
- 2.6.10.3 Call Release Substate
2.6.10 Call Control ProcessingAs illustrated in Figure 2.6.10-1, the Call Control consists of the following states: • Waiting for Order Substate - In this substate, the Call Control instance waits for an Alert With Information Message or an Extended Alert With Information Message. • Waiting for Mobile Station Answer Substate - In this substate, the Call Control instance waits for the user to answer the call. • Conversation Substate - In this substate, the parties involved in this call communicate. • Call Release Substate - In this substate, the Call Control instance waits for the call to be disconnected.
The following messages are processed by the Call Control:
The following orders are processed by the Call Control:
Upon instantiation, the Call Control instance shall perform the following: • If this Call Control instance is instantiated with a ‘restore indication’, the Call Control instance shall enter the Conversation Substate.
• If the call is mobile station originated, the Call Control instance shall enter the Conversation Substate. 2.6.10.1 Alerting2.6.10.1.1 Waiting for Order SubstateIn this substate, the Call Control instance waits for an Alert With Information Message or an Extended Alert With Information Message. Upon entering the Waiting for Order Substate, the Call Control instance shall set the substate timer for T52m seconds. While in the Waiting for Order Substate, the Call Control instance shall perform the following: • If the substate timer expires, the Call Control instance shall send a “substate timer expired indication” to the Layer 3 and shall enter the Call Release Substate. • If the Call Control instance receives a “reset waiting for order substate timer indication” from the Layer 3, the Call Control instance shall reset the substate timer for T52m seconds. • If the Call Control instance receives a “release indication” from the Layer 3, the Call Control instance shall enter the Call Release Substate. • If the Call Control instance receives an indication that the user has originated an emergency call (see 2.6.4.3), the mobile station shall send a Flash With Information Message or an Extended Flash With Information Message in assured mode with a Global Emergency Call Information Record (see 2.7.4.31), as follows:
• If the Call Control instance receives a message from the Layer 3 which is included in the following list and every message field value is within its permissible range, the Call Control instance shall process the message as described below and in accordance with the message’s action time (see 2.6.4.1.5).
• If the Call Control instance receives a message that is not included in the above list, cannot be processed, or requires a capability which is not supported, the Call Control instance shall discard the message and send a ‘message rejected indication’ to the Layer 3, with the reject reason indicated except when the following condition applies. - If the Call Control instance fails to meet the criteria solely due to receipt of the Extended Record Type – International information record, the information record shall be discarded and the message shall be processed in accordance with the above procedures specified for the applicable message. 2.6.10.1.2 Waiting for Mobile Station Answer SubstateIn this substate, the Call Control instance waits for the user to answer the mobile station terminated call or to invoke special treatment. Upon entering the Waiting for Mobile Station Answer Substate, the Call Control instance shall set the substate timer for T53m seconds. While in the Waiting for Mobile Station Answer Substate, the Call Control instance shall perform the following: • If the substate timer expires, the Call Control instance shall send a “substate timer expired indication” to the Layer 3 and shall enter the Call Release Substate. • If the Call Control instance receives a “release indication” from the Layer 3, the Call Control instance shall enter the Call Release Substate. • If the Call Control instance is directed by the user to answer the call, the mobile station shall send a Connect Order in assured mode:
The Call Control instance shall enter the Conversation Substate. • If the Call Control instance is directed by the user to forward the incoming call, the mobile station shall send a Flash With Information Message or an Extended Flash With Information Message in assured mode with a Keypad Facility information record (see 2.7.4.2) or the Extended Keypad Facility information record (see 2.7.4.35) with the CHARi field set to a pre-programmed feature code which indicates User Selective Call Forwarding with a pre-registered number, as follows:
• If the Call Control instance is directed by user to forward the incoming call to a number stored in the mobile station, the mobile station shall send a Flash With Information Message or an Extended Flash With Information Message in assured mode with a Keypad Facility information record (see 2.7.4.2) or the Extended Keypad Facility information record (see 2.7.4.35) with the CHARi field set to the following:
The mobile station shall send the message as follows:
• If the Call Control instance is directed by the user to forward the incoming call to network-based voice mail, the mobile station shall send a Flash With Information Message or an Extended Flash With Information Message in assured mode with a Keypad Facility information record (see 2.7.4.2) or the Extended Keypad Facility information record (see 2.7.4.35) with the CHARi field set to a pre-programmed feature code which indicates User Selective Call Forwarding to voice mail, as follows:
• If the Call Control instance is directed by the user to activate answer holding, the mobile station shall send a Flash With Information Message or an Extended Flash With Information Message in assured mode requiring confirmation of delivery with a Keypad Facility information record (see 2.7.4.2) or the Extended Keypad Facility information record (see 2.7.4.35) with the CHARi field set to a pre-programmed feature code which indicates Answer Holding:
After receiving confirmation of delivery of the Flash With Information Message or the Extended Flash With Information Message, the mobile station shall send a Connect Order in assured mode:
The Call Control instance shall enter the Conversation Substate. • If the Call Control instance receives an indication that the user has originated an emergency call (see 2.6.4.3), the mobile station shall send a Flash With Information Message or an Extended Flash With Information Message in assured mode with a Global Emergency Call Information Record (see 2.7.4.31), as follows:
• If the Call Control instance receives a message from Layer 3 which is included in the following list and every message field value is within its permissible range, the Call Control instance shall process the message as described below and in accordance with the message’s action time (see 2.6.4.1.5).
• If the Call Control instance receives a message that is not included in the above list, cannot be processed, or requires a capability which is not supported, the Call Control instance shall discard the message and send a ‘message rejected indication’ to the Layer 3, with the reject reason indicated except when the following condition applies. - If the Call Control instance fails to meet the criteria solely due to receipt of the Extended Record Type – International information record, the information record shall be discarded and the message shall be processed in accordance with the above procedures specified for the applicable message. 2.6.10.2 Conversation SubstateWhile in the Conversation Substate, the Call Control instance shall perform the following: • If the Call Control instance receives a “release indication” from the Layer 3, the Call Control instance shall enter the Call Release Substate. • The mobile station shall send an Origination Continuation Message in assured mode, within T54m seconds after the Call Control instance entering the Conversation Substate if any of the following conditions occur: – The mobile station originated the call, and did not send all the dialed digits in the Origination Message. – There is more than one calling party number associated with the mobile station. – A calling party subaddress is used in the call. – A called party subaddress is used in the call. If more than one calling party number is associated with the mobile station, the mobile station shall include the calling party number being used in the calling party number information record in the Origination Continuation Message. If only one calling party number is associated with the mobile station, the mobile station shall not include the calling party number information record in the Origination Continuation Message. If a calling party subaddress is used, the mobile station shall include the calling party subaddress information record in the Origination Continuation Message: otherwise, the mobile station shall omit the calling party subaddress information record. If a called party subaddress is used, the mobile station shall include the called party subaddress information record in the Origination Continuation Message: otherwise, the mobile station shall omit the called party subaddress information record. • If the Call Control instance is directed by the user to issue a flash, the mobile station shall build a Flash With Information Message or an Extended Flash With Information Message with the collected digits or characters contained in a Keypad Facility information record, if needed, and shall send the message in assured mode, as follows:
• If the Call Control instance is directed by the user to forward the incoming call, the mobile station shall send a Flash With Information Message or an Extended Flash With Information Message in assured mode with a Keypad Facility information record (see 2.7.4.2) or the Extended Keypad Facility information record (see 2.7.4.35) with the CHARi field set to a pre-programmed feature code which indicates User Selective Call Forwarding with a pre-registered number, as follows:
• If the Call Control instance is directed by the user to forward the incoming call to a number stored in the mobile station, the mobile station shall send a Flash With Information Message or an Extended Flash With Information Message in assured mode with a Keypad Facility information record (see 2.7.4.2) or the Extended Keypad Facility information record (see 2.7.4.35) with the CHARi field set to the following:
The mobile station shall send the message as follows:
• If the Call Control instance is directed by the user to forward the incoming call to network-based voice mail, the mobile station shall send a Flash With Information Message or an Extended Flash With Information Message in assured mode with a Keypad Facility information record (see 2.7.4.2) or the Extended Keypad Facility information record (see 2.7.4.35) with the CHARi field set to a pre-programmed feature code which indicates User Selective Call Forwarding to voice mail, as follows:
• If the Call Control instance is directed by the user to activate answer holding, the mobile station shall send a Flash With Information Message or an Extended Flash With Information Message in assured mode requiring confirmation of delivery with a Keypad Facility information record (see 2.7.4.2) or the Extended Keypad Facility information record (see 2.7.4.35) with the CHARi field set to a pre-programmed feature code which indicates Answer Holding, as follows:
• If answer holding is activated and the Call Control instance is directed by the user to deactivate answer holding, the mobile station shall send a Flash With Information Message or an Extended Flash With Information Message in assured mode with a Keypad Facility information record (see 2.7.4.2) or the Extended Keypad Facility information record (see 2.7.4.35) with the CHARi field set to a pre-programmed feature code which indicates Answer Holding, as follows:
• If the Call Control instance is directed by the user to send burst DTMF digits, the mobile station shall build the Send Burst DTMF Message with the dialed digits and shall send the message in assured mode requiring confirmation of delivery.
The mobile station sending multiple Send Burst DTMF Messages shall preserve relative ordering of these messages (see [4]). The mobile station should attempt to preserve the user timing as much as possible, using recommended values of DTMF_ON_LENGTH (see Table 2.7.2.3.2.7-1) and DTMF_OFF_LENGTH (see Table 2.7.2.3.2.7-2). • If the Call Control instance is directed by the user to send a continuous DTMF digit, the mobile station shall build the Continuous DTMF Tone Order with the dialed digit and shall send the order in assured mode requiring confirmation of delivery, as follows:
When the Call Control instance is directed by the user to cease sending the continuous DTMF digit, the mobile station shall send the Continuous DTMF Tone Order (ORDQ = ‘11111111’) in assured mode requiring confirmation of delivery, as follows:
The mobile station sending multiple Continuous DTMF Tone Orders shall preserve relative ordering of these messages (see [2]). The mobile station shall send the Continuous DTMF Tone Order with the ORDQ set to ‘11111111’ indicating the completion of the current continuous DTMF digit before sending the Continuous DTMF Tone Order for another digit or the Send Burst DTMF Message. • If the Call Control instance is directed by the user to disconnect the call, the Call Control instance shall send a ‘call release request’ to the Layer 3 and shall enter the Call Release Substate. • If the Call Control instance receives an indication that this packet data service instance has been inactivated, the Call Control instance shall send a “call inactive indication” to the Layer 3 and shall enter the Call Release Substate. • If the Call Control instance receives an indication that the user has originated an emergency call (see 2.6.4.3), the mobile station shall send a Flash With Information Message or an Extended Flash With Information Message in assured mode with a Global Emergency Call Information Record (see 2.7.4.31), as follows: If this Call Control instance is identified by NULL, the mobile station shall send either a Flash With Information Message or an Extended Flash With Information Message (with either the CON_REF_INCL field of the message set to ‘0’ or the CON_REF_INCL field set to ‘1’ and the CON_REF field set to the connection reference of the service option connection corresponding to this call); otherwise, the mobile station shall send an Extended Flash With Information Message, with the CON_REF_INCL field of the message set to ‘1’ and the CON_REF field of the message set to the connection reference of the service option connection corresponding to this call. • If the Call Control instance receives a message from the Layer 3 which is included in the following list and every message field value is within its permissible range, the Call Control instance shall process the message as described below and in accordance with the message’s action time (see 2.6.4.1.5).
• If the Call Control instance receives a message that is not included in the above list, cannot be processed, or requires a capability which is not supported, the Call Control instance shall discard the message and send a ‘message rejected indication’ to the Layer 3, with the reject reason indicated except when the following condition applies. - If the Call Control instance fails to meet the criteria solely due to receipt of the Extended Record Type – International information record, the information record shall be discarded and the message shall be processed in accordance with the above procedures specified for the applicable message. 2.6.10.3 Call Release SubstateIn this substate, the Call Control instance waits for the call to be released. While in the Call Release Substate, the Call Control instance shall perform the following: • If the Call Control instance receives a message from the Layer 3 which is included in the following list and every message field value is within its permissible range, the Call Control instance shall process the message as described below and in accordance with the message’s action time (see 2.6.4.1.5).
• If the Call Control instance receives a message that is not included in the above list, cannot be processed, or requires a capability which is not supported, the Call Control instance shall discard the message and send a ‘message rejected indication’ to the Layer 3, with the reject reason indicated except when the following condition applies. - If the Call Control instance fails to meet the criteria solely due to receipt of the Extended Record Type – International information record, the information record shall be discarded and the message shall be processed in accordance with the above procedures specified for the applicable message. Directory: TSGC -> Working Working -> 2. section (Continued) 6 Call Layer 3 Processing Working -> 3gpp2 tsg-c wg 2 swg 3 meeting #40 Meeting Summary Working -> C14-20050516-007 3gpp2 swg 4 title Working -> Radiocommunication Study Groups Download 3.74 Mb. Share with your friends:
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