[Serusers] ser/radius stop accounting and strange suffix in SIPURI

Hi, I have got ser working with radius,,but there is some issues with accounting part as Stop accounting is not happening..I m attaching the logs of ser and radius, please let me know what is wrong and where...and also there is strange sign of %40 and sip server suffix with the SIP URI..why is this so? ----radiuslog--- rlm_eap: EAP-Message not found modcall[authorize]: module "eap" returns noop for request 0 rlm_digest: Converting Digest-Attributes to something sane... Digest-User-Name = "2222" Digest-Realm = "sip.net4india.com" Digest-Nonce = "3fb497f856738fb5660c739a7618531858857d38" Digest-Uri = "sip:sip.net4india.com"-----------------------------------------------//// IS THIS CORRECT?? Digest-Method = "REGISTER" rad_recv: Accounting-Request packet from host 127.0.0.1:32771, id=24, length=313 Acct-Status-Type = Start Service-Type = Sip-Session Sip-Response-Code = 200 Sip-Method = 1 User-Name = &quot;2222%40sip.net4india.com(a)sip.net4india.com&quot; ------- ----------//////WHY THERE IS %40 and another suffix here ?? Calling-Station-Id = "sip:2222%40sip.net4india.com@sip.net4india.com" Called-Station-Id = "sip:1111@sip.net4india.com" ---- ser logs--- 1(30633) submit_query(): insert into location (username,contact,expires,q,callid,cseq,replicate,state ) values (&#39;2222(a)sip.ne t4india.com','sip:2222%40sip.net4india.com@202.71.135.212:5060','2003-11-14 14:48:12',0.00 ,'4BB35B97749540DEB1B52BC38E4 CD838(a)sip.net4india.com&#39;,11461,0,0) 0(30632) DEBUG: probing packet received 0(30632) SIP Request: 0(30632) method: <REGISTER> 0(30632) uri: <sip:sip.net4india.com> ---------------------------------------/// SAME PROBLEM HERE AS WELL 0(30632) DEBUG : sl_filter_ACK: to late to be a local ACK! -----------------------/// WHY IS THIS COMING??? 0(30632) preparing to run routing scripts... 0(30632) DEBUG : is_maxfwd_present: searching for max_forwards header 0(30632) parse_headers: flags=128 0(30632) DEBUG: add_param: tag=ce0a3d8674924666b210617eff671290 0(30632) end of header reached, state=29 0(30632) DEBUG: get_hdr_field: <To> [67]; uri=[sip:1111@sip.net4india.com] 0(30632) DEBUG: to body [<sip:1111@sip.net4india.com>] 0(30632) get_hdr_field: cseq <CSeq>: <14668> <ACK> 0(30632) DEBUG: is_maxfwd_present: value = 70 0(30632) DEBUG: add_param: tag=630752520 0(30632) end of header reached, state=29 0(30632) lookup(): '' Not found in usrloc 0(30632) Warning: sl_send_reply: I won't send a reply for ACK!! ---------------------/// WHY IS THIS COMING??? 0(30632) receive_msg: cleaning up 1(30633) DEBUG: timer routine:1,tl=0x422b422c next=(nil) 0(30632) SIP Reply (status): 0(30632) version: <SIP/2.0> 0(30632) status: <200> 0(30632) reason: <OK> 0(30632) parse_headers: flags=1 0(30632) Found param type 232, <branch> = <z9hG4bK2df7.8c62145