[Serusers] (no subject)

Can somebody explain the error ? U 216.236.168.188:4566 -> 216.236.160.11:5060 REGISTER sip:ccsi.com SIP/2.0..Via: SIP/2.0/UDP 216.236.168.188:11185..Max- Forwards: 70..From: <sip:pappusip@ccsi.com>;tag=efbf15e06e864dd396fb40e4423 2f5d0;epid=f8501f5093..To: <sip:pappusip@ccsi.com>..Call-ID: cae57e249e2e4e f6be07a82d964b2946@216.236.168.188..CSeq: 1 REGISTER..Contact: <sip:216.236 .168.188:11185>;methods="INVITE, MESSAGE, INFO, SUBSCRIBE, OPTIONS, BYE, CA NCEL, NOTIFY, ACK, REFER"..User-Agent: RTC/1.2.4949 (Messenger 5.0.0482)..E vent: registration..Allow-Events: presence..Content-Length: 0.... ######################################################################## ######################################################################## ######################################################################## ############################################ U 216.236.160.11:5060 -> 216.236.168.188:11185 SIP/2.0 477 Unfortunately error on sending to next hop occured (477/TM)..Vi a: SIP/2.0/UDP 216.236.168.188:11185..From: <sip:pappusip@ccsi.com>;tag=efb f15e06e864dd396fb40e44232f5d0;epid=f8501f5093..To: <sip:pappusip@ccsi.com>; tag=2f560d56b3e8a9ab008f885604d9e30a-f375..Call-ID: cae57e249e2e4ef6be07a82 d964b2946@216.236.168.188..CSeq: 1 REGISTER..Server: Sip EXpress router (0. 8.12 (i386/freebsd))..Content-Length: 0..Warning: 392 216.236.160.11:5060 " Noisy feedback tells: pid=13999 req_src_ip=216.236.160.11 req_src_port=506 0 in_uri=sip:ccsi.com out_uri=sip:ccsi.com via_cnt==62".... ######################################################################## ######################################################################## ###############################^Cexit &*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&* C.M. Rahman Jr. CTO CCNP, MCSE Security "Secure your self by securing your System" CompTI Security Plus Certified CCS Internet http://www.ccsi.com <http://www.ccsi.com/> 13704 Research Blvd. Building O-Suite 4 Austin, TX 78750 Tel: 512-257-2274 Ex: 115