asterisk users - Mar 2006 - setting callerid not working if no callerid on incoming number

If we get an incoming call I can edit the callerID provided to add the
leading '90' and set the name so that sales calls can be identified
according to the number called.

If however the callerID is unavailable then setting the callerID name or
number fails (it shows as unavailable on the phone).
This is the call log from such an incoming call without callerID.

  == Spawn extension (voip, 6204, 1) exited non-zero on 'Zap/2-1'
    -- Hungup 'Zap/2-1'
    -- Zap/3-1 answered SIP/6076-30ff
    -- Accepting call from '' to '6201' on channel 0/2, span 1
    -- Executing Set("Zap/2-1", "CALLERID(number)=90") in
new stack
    -- Executing Goto("Zap/2-1", "voip|6201|1") in new stack
    -- Goto (voip,6201,1)
    -- Executing Macro("Zap/2-1", "uksales|Press") in new
stack
    -- Executing Set("Zap/2-1", "CALLERID(name)=Press") in
new stack
    -- Executing Dial("Zap/2-1",
"SIP/6030&IAX2/6030&SIP/6514|15|t") in
new stack
    -- Called 6030

Any ideas?

Thanks

Sorry forgot to mention I am running 1.2.0RC1 (dont ask :) )
Here is the macro used to set the callerid.

[macro-uksales]
; UK SALES
; ARG1 = Caller ID Name to display on phone
exten => s,1,Set(CALLERID(name)=${ARG1})
exten => s,2,Dial(SIP/6030&IAX2/6030&SIP/6514,15,t)
exten => s,3,Voicemail(u6030)
exten => s,4,Hangup
exten => s,103,Goto(3)


On Thu, 2006-03-16 at 16:24, Gareth Blades wrote:
> If we get an incoming call I can edit the callerID provided to add the
> leading '90' and set the name so that sales calls can be identified
> according to the number called.
> 
> If however the callerID is unavailable then setting the callerID name or
> number fails (it shows as unavailable on the phone).
> This is the call log from such an incoming call without callerID.
> 
>   == Spawn extension (voip, 6204, 1) exited non-zero on 'Zap/2-1'
>     -- Hungup 'Zap/2-1'
>     -- Zap/3-1 answered SIP/6076-30ff
>     -- Accepting call from '' to '6201' on channel 0/2,
span 1
>     -- Executing Set("Zap/2-1", "CALLERID(number)=90")
in new stack
>     -- Executing Goto("Zap/2-1", "voip|6201|1") in new
stack
>     -- Goto (voip,6201,1)
>     -- Executing Macro("Zap/2-1", "uksales|Press") in
new stack
>     -- Executing Set("Zap/2-1", "CALLERID(name)=Press")
in new stack
>     -- Executing Dial("Zap/2-1",
"SIP/6030&IAX2/6030&SIP/6514|15|t") in
> new stack
>     -- Called 6030
> 
> Any ideas?
> 
> Thanks
> 
> 
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