asterisk users - Apr 2006 - What does this error mean "app.c: Huh....? no dial for indications?"

Hi,

What does the following error mean:

Apr  5 12:39:40 NOTICE[22755] app.c: Huh....? no dial for indications?

Here is the 'full' log around the error:

Apr  5 12:38:24 VERBOSE[22755] logger.c:     -- outgoing agentcall, to 
agent '3002', on 'Local/510@default-6b6c,1'
Apr  5 12:38:24 VERBOSE[22755] logger.c:     -- Called Agent/3002
Apr  5 12:38:24 VERBOSE[22755] logger.c:     -- outgoing agentcall, to 
agent '3001', on 'Local/411@default-eaff,1'
Apr  5 12:38:24 VERBOSE[22755] logger.c:     -- Called Agent/3001
Apr  5 12:38:24 VERBOSE[22757] logger.c:     -- Executing 
Macro("Local/413@default-0edc,2", "stdexten|413|SIP/413") in
new stack
Apr  5 12:38:24 VERBOSE[22757] logger.c:     -- Executing 
Set("Local/413@default-0edc,2", "DYNAMIC_FEATURES=automon")
in new stack
Apr  5 12:38:24 VERBOSE[22757] logger.c:     -- Executing 
Dial("Local/413@default-0edc,2", "SIP/413|20|Ttw") in new
stack
Apr  5 12:38:24 VERBOSE[22757] logger.c:     -- Called 413
Apr  5 12:38:24 VERBOSE[22758] logger.c:     -- Executing 
Macro("Local/510@default-6b6c,2", "stdexten|510|SIP/510") in
new stack
Apr  5 12:38:24 VERBOSE[22758] logger.c:     -- Executing 
Set("Local/510@default-6b6c,2", "DYNAMIC_FEATURES=automon")
in new stack
Apr  5 12:38:24 VERBOSE[22758] logger.c:     -- Executing 
Dial("Local/510@default-6b6c,2", "SIP/510|20|Ttw") in new
stack
Apr  5 12:38:24 VERBOSE[22758] logger.c:     -- Called 510
Apr  5 12:38:24 VERBOSE[22759] logger.c:     -- Executing 
Macro("Local/411@default-eaff,2", "stdexten|411|SIP/411") in
new stack
Apr  5 12:38:24 VERBOSE[22759] logger.c:     -- Executing 
Set("Local/411@default-eaff,2", "DYNAMIC_FEATURES=automon")
in new stack
Apr  5 12:38:24 VERBOSE[22759] logger.c:     -- Executing 
Dial("Local/411@default-eaff,2", "SIP/411|20|Ttw") in new
stack
Apr  5 12:38:24 VERBOSE[22759] logger.c:     -- Called 411
Apr  5 12:38:24 VERBOSE[22758] logger.c:     -- SIP/510-82b7 is ringing
Apr  5 12:38:24 VERBOSE[22755] logger.c:     -- Agent/3002 is ringing
Apr  5 12:38:25 VERBOSE[22759] logger.c:     -- SIP/411-74d0 is ringing
Apr  5 12:38:25 VERBOSE[22755] logger.c:     -- Agent/3001 is ringing
Apr  5 12:38:25 VERBOSE[22759] logger.c:     -- SIP/411-74d0 is ringing
Apr  5 12:38:25 VERBOSE[22757] logger.c:     -- SIP/413-d3c8 is ringing
Apr  5 12:38:25 VERBOSE[22755] logger.c:     -- Agent/3005 is ringing
Apr  5 12:38:29 VERBOSE[22758] logger.c:     -- SIP/510-82b7 answered 
Local/510@default-6b6c,2
Apr  5 12:38:29 VERBOSE[22755] logger.c:     -- Agent/3002 answered Zap/1-1
Apr  5 12:38:29 VERBOSE[22757] logger.c:   == Spawn extension 
(macro-stdexten, s, 2) exited non-zero on 'Local/413@default-0edc,2' in 
macro 'stdexten'
Apr  5 12:38:29 VERBOSE[22757] logger.c:   == Spawn extension 
(macro-stdexten, s, 2) exited non-zero on 'Local/413@default-0edc,2'
Apr  5 12:38:29 VERBOSE[22759] logger.c:   == Spawn extension 
(macro-stdexten, s, 2) exited non-zero on 'Local/411@default-eaff,2' in 
macro 'stdexten'
Apr  5 12:38:29 VERBOSE[22759] logger.c:   == Spawn extension 
(macro-stdexten, s, 2) exited non-zero on 'Local/411@default-eaff,2'
Apr  5 12:38:29 VERBOSE[22758] logger.c:   == Spawn extension 
(macro-stdexten, s, 2) exited non-zero on 'Local/510@default-6b6c,2' in 
macro 'stdexten'
Apr  5 12:38:29 VERBOSE[22758] logger.c:   == Spawn extension 
(macro-stdexten, s, 2) exited non-zero on 'Local/510@default-6b6c,2'
Apr  5 12:38:38 VERBOSE[22783] logger.c:     -- Starting simple switch 
on 'Zap/3-1'
Apr  5 12:39:39 VERBOSE[22755] logger.c:     -- Started music on hold, 
class 'default', on Zap/1-1
Apr  5 12:39:39 VERBOSE[22755] logger.c:     -- Playing 'pbx-transfer' 
(language 'en')
Apr  5 12:39:40 NOTICE[22755] app.c: Huh....? no dial for indications?
Apr  5 12:39:42 VERBOSE[22755] logger.c:     -- Stopped music on hold on 
Zap/1-1
Apr  5 12:39:42 VERBOSE[22755] logger.c:     -- Executing 
Macro("Zap/1-1", "stdexten|411|SIP/411") in new stack
Apr  5 12:39:42 VERBOSE[22755] logger.c:     -- Executing
Set("Zap/1-1",
"DYNAMIC_FEATURES=automon") in new stack
Apr  5 12:39:42 VERBOSE[22755] logger.c:     -- Executing 
Dial("Zap/1-1", "SIP/411|20|Ttw") in new stack
Apr  5 12:39:42 VERBOSE[22755] logger.c:     -- Called 411
Apr  5 12:39:44 VERBOSE[22755] logger.c:     -- SIP/411-5f5d is ringing
Apr  5 12:40:03 VERBOSE[22755] logger.c:     -- Nobody picked up in 20000 ms

Thanks