Here is a fragment of SIP server debug log covering the issue:
2012-08-06T14:32:52.545 Trc 04541 RequestMakePredictiveCall received from [560] (00000014 ocs_ocsserver 192.168.152.128:53653)
message RequestMakePredictiveCall
AttributeThisDN 'SipServerDefaultPartition'
AttributeOtherDN '06500'
AttributeTimeout 120
AttributeUserData [678] 00 18 01 00..
'GSW_TZ_OFFSET' -14400
'GSW_PHONE' '06500'
'GSW_CALLING_LIST' 'cl_lab'
'GSW_CAMPAIGN_NAME' 'LabCampaign'
'InteractionType' 'Outbound'
'InteractionSubtype' 'OutboundNew'
'GSW_RECORD_HANDLE' 390
'GSW_APPLICATION_ID' 137
'GSW_CAMPAIGN_GROUP_DBID' 101
'GSW_CALLING_LIST_DBID' 101
'GSW_SWITCH_DBID' 101
'GSW_CAMPAIGN_GROUP_NAME' 'LabCampaign@vg_Outbound'
'GSW_CAMPAIGN_GROUP_DESCRIPTION' ''
'GSW_CHAIN_ID' 5
'GSW_ATTEMPTS' 0
'GSW_AGENT_ID' ''
'GSW_CALL_RESULT' 28
'GSW_TZ_NAME' 'EST'
'GSW_CALL_ATTEMPT_GUID' 'TKJ6UN9SG938R97TLDFC7MBMB40000C6'
'GSW_CONTACT_MEDIA_TYPE' 'voice'
'GSW_QUEUE_NAME' '5501'
'GSW_CALL_TYPE' 'REGULAR'
'GSW_QUEUE_DBID' 116
'GSW_SESSION_DBID' 101
AttributeExtensions [1255] 00 1e 00 00..
'call_answer_type_recognition' 'no_am_detection'
'cpd-record' 'off'
'cpd-on-connect' 'on'
'call_timeguard_timeout' 0
'ivr-profile-id' 112
'GSW_TZ_OFFSET' -14400
'GSW_PHONE' '06500'
'GSW_CALLING_LIST' 'cl_lab'
'GSW_CAMPAIGN_NAME' 'LabCampaign'
'InteractionType' 'Outbound'
'InteractionSubtype' 'OutboundNew'
'GSW_RECORD_HANDLE' 390
'GSW_APPLICATION_ID' 137
'GSW_CAMPAIGN_GROUP_DBID' 101
'GSW_CALLING_LIST_DBID' 101
'GSW_SWITCH_DBID' 101
'GSW_CAMPAIGN_GROUP_NAME' 'LabCampaign@vg_Outbound'
'GSW_CAMPAIGN_GROUP_DESCRIPTION' ''
'GSW_CHAIN_ID' 5
'GSW_ATTEMPTS' 0
'GSW_AGENT_ID' ''
'GSW_CALL_RESULT' 28
'GSW_TZ_NAME' 'EST'
'GSW_CALL_ATTEMPT_GUID' 'TKJ6UN9SG938R97TLDFC7MBMB40000C6'
'GSW_CONTACT_MEDIA_TYPE' 'voice'
'GSW_QUEUE_NAME' '5501'
'GSW_CALL_TYPE' 'REGULAR'
'GSW_QUEUE_DBID' 116
'GSW_SESSION_DBID' 101
'SIP_HEADERS' 'GSW_TZ_OFFSET,GSW_PHONE,GSW_CALLING_LIST,GSW_CAMPAIGN_NAME,InteractionType,InteractionSubtype,GSW_RECORD_HANDLE,GSW_APPLICATION_ID,GSW_CAMPAIGN_GROUP_DBID,GSW_CALLING_LIST_DBID,GSW_SWITCH_DBID,GSW_CAMPAIGN_GROUP_NAME,GSW_CAMPAIGN_GROUP_DESCRIPTION,GSW_CHAIN_ID,GSW_ATTEMPTS,GSW_AGENT_ID,GSW_CALL_RESULT,GSW_TZ_NAME,GSW_CALL_ATTEMPT_GUID,GSW_CONTACT_MEDIA_TYPE,GSW_QUEUE_NAME,GSW_CALL_TYPE,GSW_QUEUE_DBID,GSW_SESSION_DBID'
AttributeReferenceID 396
2012-08-06T14:32:52.545 Int 04543 Interaction message "RequestMakePredictiveCall" received from 560 ("ocs_ocsserver")
2012-08-06T14:32:52.545 -- created: CRequest@34b03d8 RequestMakePredictiveCall-ocs_ocsserver[560]/396
14:32:52.545: $+TLIB:CTI:Unknown:0:218625
2012-08-06T14:32:52.545 +++ CIFace::Request +++
-- new invoke
Parsed: RequestMakePredictiveCall
From: ocs_ocsserver[560]/396
Numbers: +<SipServerDefaultPartition> -<06500>
Status: parsed:1 queued:0 sent:0 acked:0 preevent:0 event:0 context:0 transferred:0
-----
-- validate
-- state check: ok
CIFace: Sent CRequest@34b03d8 RequestMakePredictiveCall-ocs_ocsserver[560]/396
FinishRequest CRequest@34b03d8 RequestMakePredictiveCall-ocs_ocsserver[560]/396
IFace stats: q=0 s=0
-- complete
14:32:52.545: Number:[06500] is not internal, looking for service
14:32:52.545: Selected for Dn 06500(geo-loc[]:partitionId[SipServerDefaultPartition]:cpdCapability[CPD_REQUIRED]): Service Asterisk (geo-loc[], priority[0], capacity 0 (0% of -2))
14:32:52.545: Dialed number was 06500, will replace prefix '0' with ''
14:32:52.545: Create regular call
@14:32:52.5450 {tscp.call {constructed} {uuid A3OA74OIJT3G3F3QF38J2NUS0S0000SC} {connection-id 007002119257f12d} {call-id 301}}
-- created call_info_tspp 007002119257f12d@45494c0
@14:32:52.5450 Call [007002119257f12d]: urid 00010070
-- created aTmCall 44f3228/45494c0
-- TmCallThread created: 454e018
SetANI for 44f3228:1: SipServerDefaultPartition
SetDNIS for 44f3228:1: 06500
14:32:52.545 SIPCONN(SipServerDefaultPartition): set monitor 045194e0, 0454961c
14:32:52.545: SIPCALL(301): add party 'SipServerDefaultPartition'
-- created party_info_tspp 453b4d0
-- created aTmParty 4549770
SetRole: Origination for SipServerDefaultPartition.4549770-44f3228:1
-- AddParty to 44f3228: SipServerDefaultPartition.4549770-44f3228:1
-- new TSCP call leg 1
-- call leg created leg_id=1
CreateParty new internal: SipServerDefaultPartition.4549770-44f3228:1
14:32:52.545: Call 301 dn SipServerDefaultPartition SetPartyId 601
14:32:52.545 SIPCONN(06500): set monitor 04519848, 045498cc
14:32:52.545: SIPCALL(301): add party '06500'
-- created party_info_tspp 453b568
-- created aTmParty 4549a20
SetRole: Destination for 06500.4549a20-44f3228:1
-- AddParty to 44f3228: 06500.4549a20-44f3228:1
-- new TSCP call leg 2
-- call leg created leg_id=2
CreateParty new external: 06500.4549a20-44f3228:1
14:32:52.545: Call 301 dn 06500 SetPartyId 602
+++ CIFace::Event +++
+++ Pre-event +++
Type EventOriginated
Devices: <SipServerDefaultPartition/SipServerDefaultPartition> <-/06500> <-/->
Calls: 301/007002119257f12d/301.44f3228/c:0/r:0 0/none
Parties: DSipServerDefaultPartition/SipServerDefaultPartition.4549770-44f3228:1/l:1/r:0/Null,Origination
X06500/06500.4549a20-44f3228:1/l:2/r:0/Null,Destination
none
Flags: divert=0 hook=0 postCall=0 active=1 moveAll=1 callType=1 hideOtherPi=0 InternalOther=0
--- Pre-event ---
+++ Dialing +++
SetContext: for party SipServerDefaultPartition.4549770-44f3228:1
14:32:52.545: internal call originator not found
14:32:52.545: SIPS-IID:9DP160O98H12F16C0TV8LKEQRG00009D:007002119257f12d:9DP160O98H12F16C0TV8LKEQRG00009D:TLIBEVT
+++ CIFace::Event +++
+++ Pre-event +++
Type EventInitiated
Devices: <SipServerDefaultPartition/SipServerDefaultPartition> <-/06500> <-/->
Calls: 301/007002119257f12d/301.44f3228/c:0/r:0 0/none
Parties: DSipServerDefaultPartition/SipServerDefaultPartition.4549770-44f3228:1/l:1/r:0/Null,Origination
X06500/06500.4549a20-44f3228:1/l:2/r:0/Null,Destination
none
Flags: divert=0 hook=0 postCall=0 active=1 moveAll=1 callType=1 hideOtherPi=0 InternalOther=0
--- Pre-event ---
+++ NewCall +++
-- call is consultation
14:32:52.545: device off hook
SetActive: party SipServerDefaultPartition.4549770-44f3228:1, cause Null
SetOriginating: party SipServerDefaultPartition.4549770-44f3228:1, cause NewCall
-- party_info SipServerDefaultPartition.453b4d0 state change: from <Null> to <Initiated>
-- call_info::committed created
@14:32:52.5450 [ISCC] Call created:
+ c:007002119257f12d,045494c0 @ m:0000000000000000,00000000 p:0 i:0000012d nw:0000000000000000 t:3
@14:32:52.5450 [ISCC] Party added [ssp view]:
@ c:007002119257f12d,045494c0 @ m:0000000000000000,00000000,0000000000000000 p:2 i:0000012d nw:00000000:0000000000000000 t:3
+ p:0453b4d0 @ c:007002119257f12d,045494c0 r:1 t:0 s:1 n:SipServerDefaultPartition
p:0453b568 @ c:007002119257f12d,045494c0 r:2 t:1 s:0 n:06500
@14:32:52.5450 [ISCC] Party added:
@ c:007002119257f12d,045494c0 @ m:0000000000000000,00000000 p:1 i:0000012d nw:0000000000000000 t:3
+ p:0000000000000000,0453b4d0 @ c:007002119257f12d,045494c0 r:1 ----- n:SipServerDefaultPartition:
--- NewCall ---
+++ Post-event +++
Type EventInitiated
Devices: <SipServerDefaultPartition/SipServerDefaultPartition> <-/06500> <-/->
Calls: 301/007002119257f12d/301.44f3228/c:1/r:0 0/007002119257f12d/301.44f3228/c:1/r:0
Parties: DSipServerDefaultPartition/SipServerDefaultPartition.4549770-44f3228:1/l:1/r:0/Originating,Origination
X06500/06500.4549a20-44f3228:1/l:2/r:0/Null,Destination
none
Flags: divert=0 hook=0 postCall=0 active=1 moveAll=1 callType=1 hideOtherPi=0 InternalOther=0
--- Post-event ---
--- CIFace::Event ---
SetDialling: party SipServerDefaultPartition.4549770-44f3228:1, cause Null
-- party_info SipServerDefaultPartition.453b4d0 state change: from <Initiated> to <Connected,Dialing>
@14:32:52.5450 [0] 8.1.000.81 distribute_response: message EventDialing
AttributeEventSequenceNumber 00000000000020a8
AttributeTimeinuSecs 545000
AttributeTimeinSecs 1344256372 (14:32:52)
AttributeExtensions [2] 00 00..
AttributeReferenceID 396
AttributeOtherDNRole 2
AttributeOtherDN '06500'
AttributeThisDNRole 1
AttributeThisDN 'SipServerDefaultPartition'
AttributeDNIS '06500'
AttributeUserData [678] 00 18 01 00..
'GSW_TZ_OFFSET' -14400
'GSW_PHONE' '06500'
'GSW_CALLING_LIST' 'cl_lab'
'GSW_CAMPAIGN_NAME' 'LabCampaign'
'InteractionType' 'Outbound'
'InteractionSubtype' 'OutboundNew'
'GSW_RECORD_HANDLE' 390
'GSW_APPLICATION_ID' 137
'GSW_CAMPAIGN_GROUP_DBID' 101
'GSW_CALLING_LIST_DBID' 101
'GSW_SWITCH_DBID' 101
'GSW_CAMPAIGN_GROUP_NAME' 'LabCampaign@vg_Outbound'
'GSW_CAMPAIGN_GROUP_DESCRIPTION' ''
'GSW_CHAIN_ID' 5
'GSW_ATTEMPTS' 0
'GSW_AGENT_ID' ''
'GSW_CALL_RESULT' 28
'GSW_TZ_NAME' 'EST'
'GSW_CALL_ATTEMPT_GUID' 'TKJ6UN9SG938R97TLDFC7MBMB40000C6'
'GSW_CONTACT_MEDIA_TYPE' 'voice'
'GSW_QUEUE_NAME' '5501'
'GSW_CALL_TYPE' 'REGULAR'
'GSW_QUEUE_DBID' 116
'GSW_SESSION_DBID' 101
AttributeCallUUID '9DP160O98H12F16C0TV8LKEQRG00009D'
AttributeConnID 007002119257f12d
AttributeCallID 301
AttributePropagatedCallType 3
AttributeCallType 3
AttributeCallState 0
2012-08-06T14:32:52.545 Int 04544 Interaction message "EventDialing" generated
2012-08-06T14:32:52.545 Trc 04542 EventDialing sent to [560] (00000014 ocs_ocsserver 192.168.152.128:53653)
--- Dialing ---
+++ Post-event +++
Type EventOriginated
Devices: <SipServerDefaultPartition/SipServerDefaultPartition> <-/06500> <-/->
Calls: 301/007002119257f12d/301.44f3228/c:1/r:0 0/007002119257f12d/301.44f3228/c:1/r:0
Parties: DSipServerDefaultPartition/SipServerDefaultPartition.4549770-44f3228:1/l:1/r:0/Dialing,Origination
X06500/06500.4549a20-44f3228:1/l:2/r:0/Null,Destination
none
Flags: divert=0 hook=0 postCall=0 active=1 moveAll=1 callType=1 hideOtherPi=0 InternalOther=0
--- Post-event ---
--- CIFace::Event ---
14:32:52.545: failed to identify CPD provider for predictive call
14:32:52.545: ERROR: 10000000, SelectCpdScenario(*context,callingDevice,calledDevice,cpdScenario), SipCallManagerOutbound.cpp,149
14:32:52.545: ERROR: 10000000, BuildCpdScenario(*scenario,*call,*calledParty,*callingParty,*thisDevice,*otherDevice,timeout), SipCallManagerOutbound.cpp,91
Response (52): for CRequest@34b03d8 RequestMakePredictiveCall-ocs_ocsserver[560]/396
2012-08-06T14:32:52.545 Trc 36002 Request rejected: error code 52(Internal error)
@14:32:52.5450 [0] 8.1.000.81 send_to_client: message EventError
(Internal error)
AttributeEventSequenceNumber 00000000000020a9
AttributeTimeinuSecs 545000
AttributeTimeinSecs 1344256372 (14:32:52)
AttributeExtensions [1255] 00 1e 00 00..
'call_answer_type_recognition' 'no_am_detection'
'cpd-record' 'off'
'cpd-on-connect' 'on'
'call_timeguard_timeout' 0
'ivr-profile-id' 112
'GSW_TZ_OFFSET' -14400
'GSW_PHONE' '06500'
'GSW_CALLING_LIST' 'cl_lab'
'GSW_CAMPAIGN_NAME' 'LabCampaign'
'InteractionType' 'Outbound'
'InteractionSubtype' 'OutboundNew'
'GSW_RECORD_HANDLE' 390
'GSW_APPLICATION_ID' 137
'GSW_CAMPAIGN_GROUP_DBID' 101
'GSW_CALLING_LIST_DBID' 101
'GSW_SWITCH_DBID' 101
'GSW_CAMPAIGN_GROUP_NAME' 'LabCampaign@vg_Outbound'
'GSW_CAMPAIGN_GROUP_DESCRIPTION' ''
'GSW_CHAIN_ID' 5
'GSW_ATTEMPTS' 0
'GSW_AGENT_ID' ''
'GSW_CALL_RESULT' 28
'GSW_TZ_NAME' 'EST'
'GSW_CALL_ATTEMPT_GUID' 'TKJ6UN9SG938R97TLDFC7MBMB40000C6'
'GSW_CONTACT_MEDIA_TYPE' 'voice'
'GSW_QUEUE_NAME' '5501'
'GSW_CALL_TYPE' 'REGULAR'
'GSW_QUEUE_DBID' 116
'GSW_SESSION_DBID' 101
'SIP_HEADERS' 'GSW_TZ_OFFSET,GSW_PHONE,GSW_CALLING_LIST,GSW_CAMPAIGN_NAME,InteractionType,InteractionSubtype,GSW_RECORD_HANDLE,GSW_APPLICATION_ID,GSW_CAMPAIGN_GROUP_DBID,GSW_CALLING_LIST_DBID,GSW_SWITCH_DBID,GSW_CAMPAIGN_GROUP_NAME,GSW_CAMPAIGN_GROUP_DESCRIPTION,GSW_CHAIN_ID,GSW_ATTEMPTS,GSW_AGENT_ID,GSW_CALL_RESULT,GSW_TZ_NAME,GSW_CALL_ATTEMPT_GUID,GSW_CONTACT_MEDIA_TYPE,GSW_QUEUE_NAME,GSW_CALL_TYPE,GSW_QUEUE_DBID,GSW_SESSION_DBID'
AttributeErrorCode 52
AttributeErrorMessage 'Internal error'
AttributeReferenceID 396
AttributeUserData [678] 00 18 01 00..
'GSW_TZ_OFFSET' -14400
'GSW_PHONE' '06500'
'GSW_CALLING_LIST' 'cl_lab'
'GSW_CAMPAIGN_NAME' 'LabCampaign'
'InteractionType' 'Outbound'
'InteractionSubtype' 'OutboundNew'
'GSW_RECORD_HANDLE' 390
'GSW_APPLICATION_ID' 137
'GSW_CAMPAIGN_GROUP_DBID' 101
'GSW_CALLING_LIST_DBID' 101
'GSW_SWITCH_DBID' 101
'GSW_CAMPAIGN_GROUP_NAME' 'LabCampaign@vg_Outbound'
'GSW_CAMPAIGN_GROUP_DESCRIPTION' ''
'GSW_CHAIN_ID' 5
'GSW_ATTEMPTS' 0
'GSW_AGENT_ID' ''
'GSW_CALL_RESULT' 28
'GSW_TZ_NAME' 'EST'
'GSW_CALL_ATTEMPT_GUID' 'TKJ6UN9SG938R97TLDFC7MBMB40000C6'
'GSW_CONTACT_MEDIA_TYPE' 'voice'
'GSW_QUEUE_NAME' '5501'
'GSW_CALL_TYPE' 'REGULAR'
'GSW_QUEUE_DBID' 116
'GSW_SESSION_DBID' 101
AttributeTimeout 120
AttributeOtherDN '06500'
AttributeThisDN 'SipServerDefaultPartition'
AttributeClientID 20
2012-08-06T14:32:52.545 Int 04545 Interaction message "EventError" sent to 560 ("ocs_ocsserver")
2012-08-06T14:32:52.545 Trc 04542 EventError sent to [560] (00000014 ocs_ocsserver 192.168.152.128:53653)
I do not know what options are necessary to set up on Trunk Group DN.