When caller hangs up, hangup.agi does not properly execute (appears to prematurely terminate). When callee hangs up hangup.agi executes fine.

[custom-out]
exten => s,1,Answer
exten => s,n,Playback(custom/Nextoperator)
exten => s,n,SetMusicOnHold(fun)
exten => s,n,AGI,uuid.agi
exten => s,n,Set(callid=${CALLERID(num)}_${uuid})
exten => s,n,AGI,recordid.agi|${callid}
exten => s,n,Set(CDR(userfield)=${callid})
exten => s,n,Set(CDR(accountcode)=${recordid})
exten => s,n,Monitor(wav,/mnt/rd/recording/${callid},mb)
exten => s,n,ForkCDR
exten => s,n,Dial(SIP/${dialnum}@vitel-outbound,,mghHwWM(record|${recordid}))
exten => s,n,AGI,hangup.agi|${recordid}
exten => h,1,AGI,hangup.agi|${recordid}

[macro-record]
exten => s,1,AGI,playdigits.agi|${ARG1}
exten => s,n,ResetCDR

#!/usr/bin/perl -w
#hangup.agi  
use Asterisk::AGI;  
 
my $AGI = new Asterisk::AGI;   

# Ignore hangup signal from Asterisk
$SIG{HUP} = "IGNORE"; 
($query)=@ARGV;

# Create an LWP UserAgent to access the web
require HTTP::Request;
use LWP::UserAgent;
my $browser = LWP::UserAgent->new;
# Get the page
my $url = "http://www.example.com/lmt/call_end.asp?rec=$query";
my $request = HTTP::Request->new("GET",$url);
my $response = $browser->request($request);
print STDERR $response->as_string . "\n";
print STDERR "URL: " . $url . "\n";

exit(0); 



This is the output when the caller hangs up...
    -- AGI Script playdigits.agi completed, returning 0
    -- Executing ResetCDR("SIP/vitel-outbound-086367d8", "") in new stack
    -- Stopped music on hold on SIP/aydiosmio-0862aa78
  == Spawn extension (custom-out, s, 11) exited non-zero on 'SIP/aydiosmio-0862aa78'
    -- Executing AGI("SIP/aydiosmio-0862aa78", "hangup.agi|119") in new stack
    -- Launched AGI Script /var/lib/asterisk/agi-bin/hangup.agi
AGI Tx >> agi_request: hangup.agi
AGI Tx >> agi_channel: SIP/aydiosmio-0862aa78
AGI Tx >> agi_language: en
AGI Tx >> agi_type: SIP
AGI Tx >> agi_uniqueid: 1172789505.0
AGI Tx >> agi_callerid: 2125551100
AGI Tx >> agi_calleridname: 2125551100
AGI Tx >> agi_callingpres: 0
AGI Tx >> agi_callingani2: 0
AGI Tx >> agi_callington: 0
AGI Tx >> agi_callingtns: 0
AGI Tx >> agi_dnid: unknown
AGI Tx >> agi_rdnis: unknown
AGI Tx >> agi_context: custom-out
AGI Tx >> agi_extension: h
AGI Tx >> agi_priority: 1
AGI Tx >> agi_enhanced: 0.0
AGI Tx >> agi_accountcode: 119
AGI Tx >>
  == Spawn extension (custom-out, h, 1) exited non-zero on 'SIP/aydiosmio-0862aa78'
  == Parsing '/etc/asterisk/extconfig.conf': Found
  == Parsing '/etc/asterisk/manager.conf': Found
  == Parsing '/etc/asterisk/manager_custom.conf': Found
  == Parsing '/etc/asterisk/enum.conf': Found
  == Parsing '/etc/asterisk/rtp.conf': Found
  == RTP Allocating from port range 10000 -> 20000
  == Parsing '/etc/asterisk/dnsmgr.conf': Found
    -- Reloading module 'res_musiconhold.so' (Music On Hold Resource)
  == Parsing '/etc/asterisk/musiconhold.conf': Found
  == Parsing '/etc/asterisk/musiconhold_additional.conf': Found
    -- Reloading module 'res_features.so' (Call Features Resource)
  == Parsing '/etc/asterisk/features.conf': Found
  == Remapping feature Blind Transfer (blindxfer) to sequence '##'
  == Remapping feature Disconnect Call (disconnect) to sequence '**'
  == Remapping feature One Touch Monitor (automon) to sequence '*1'
    -- Added extension '700' priority 1 to parkedcalls
    -- Reloading module 'res_indications.so' (Indications Configuration)
    -- Unregistered indication country 'at'
[redacted]
    -- Unregistered indication country 've'
  == Parsing '/etc/asterisk/indications.conf': Found
    -- Registered indication country 'at'
[redacted]
    -- Registered indication country 've'
    -- Setting default indication country to 'us'
    -- Reloading module 'res_crypto.so' (Cryptographic Digital Signatures)
    -- Reloading module 'res_adsi.so' (ADSI Resource)
asterisk1*CLI>