[Users] Corrupted 'To' after uac_restore_from

[Mahesh Paolini-Subramanya]

I'm seeing this *very* weird error where uac_restore_from is ending up with a corrupted 'From' header. 
The weird thing is that it happens with only one end point (a Televantage SIP Trunk). 
With virtually *everything* else - and I am talking about tens of thousands of end points, spanning all sorts of sip devices, we are having *no* problems. 
The call is set up as follows -> the endpoint sends the INVITE, which is forwarded to a PSTN gateway 
The ACKs and the 200 OK all have their From/To headers appropriately rewritten 
The problem arises when the PSTN gateway initiates the BYE As you can see below, the 'To' header gets corrupted 

The *only* thing I can think of is that it has something to do with the structure of the Televantage tags (the '+' signs?). 

Any ideas? 

FYI, Openser 1.1.0 (latest CVS checkout), and 
modparam("uac","from_restore_mode","auto") 
modparam("uac","rr_store_param","aptelavsf") 


---INVITE--- endpoint->proxy 
From: "Member service"<sip:user100.crunchhq at 69.25.47.136>;tag=10.10.35.100+1+8d200003+32cc4d0e. 
To: <sip:17038677006 at 69.25.47.136>;tag=277e3aa2408f2ad73a234f5bbb99133b.c13b. 
---INVITE--- proxy->gateway 
From: "Membersevice Queue"<sip:6462174165 at flareon.aptela.com>;tag=10.10.35.100+1+8c020003+dd5437f3. 
To: <sip:17038677006 at 69.25.47.136> 
Record-Route: <sip:69.25.47.136;lr;ftag=10.10.35.100+1+8c020003+dd5437f3;nat=yes;aptelavsf=dGVzdDciIDR0YndrISJGfHtsaWBbPWQ7NiQ4LCJlISgv> 

--- 183 Session Progress--- gateway->proxy 
From: "Membersevice Queue"<sip:6462174165 at flareon.aptela.com>;tag=10.10.35.100+1+8c020003+dd5437f3. 
To: <sip:17038677006 at 69.25.47.136>;tag=1386496. 
Record-Route: <sip:69.25.47.136;lr;ftag=10.10.35.100+1+8c020003+dd5437f3;nat=yes;aptelavsf=dGVzdDciIDR0YndrISJGfHtsaWBbPWQ7NiQ4LCJlISgv> 

---183 Session Progress--- proxy->endpoint 
From: "Member service"<sip:user100.crunchhq at 69.25.47.136>;tag=10.10.35.100+1+8c020003+dd5437f3. 
To: <sip:17038677006 at 69.25.47.136>;tag=1386496 

---200 OK--- gateway->proxy 
From: "Membersevice Queue"<sip:6462174165 at flareon.aptela.com>;tag=10.10.35.100+1+8c020003+dd5437f3. 
To: <sip:17038677006 at 69.25.47.136>;tag=1386496 
Record-Route: <sip:69.25.47.136;lr;ftag=10.10.35.100+1+8c020003+dd5437f3;nat=yes;aptelavsf=dGVzdDciIDR0YndrISJGfHtsaWBbPWQ7NiQ4LCJlISgv> 

---200 OK--- proxy->endpoint 
From: "Member service"<sip:user100.crunchhq at 69.25.47.136>;tag=10.10.35.100+1+8c020003+dd5437f3. 
To: <sip:17038677006 at 69.25.47.136>;tag=1386496 
Record-Route: <sip:69.25.47.136;lr;ftag=10.10.35.100+1+8c020003+dd5437f3;nat=yes;aptelavsf=dGVzdDciIDR0YndrISJGfHtsaWBbPWQ7NiQ4LCJlISgv> 

---BYE--- gateway->proxy 
To: "Membersevice Queue"<sip:6462174165 at 69.25.47.136>;tag=10.10.35.100+1+8c020003+dd5437f3. 
From: <sip:17038677006 at 66.52.236.25>;tag=1386496. 
Route: <sip:69.25.47.136;lr;ftag=10.10.35.100+1+8c020003+dd5437f3;nat=yes;aptelavsf=dGVzdDciIDR0YndrISJGfHtsaWBbPWQ7NiQ4LCJlISgv> 

---BYE--- proxy->endpoint 
To: "Membersevice Queue"<sip:user100.cru>6'(!.l asr}XV.R\[>;tag=10.10.35.100+1+8c020003+dd5437f3. 
From: <sip:17038677006 at 66.52.236.25>;tag=1386496. 

-- 
******************************************* 
Mahesh Paolini-Subramanya (703) 386-1500 x9100 
CTO mahesh at aptela.com 
Aptela, Inc. http://www.aptela.com 
"Aptela: How Business Answers The Call" 
******************************************* 
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