Can somebody explain the error ?

U 216.236.168.188:4566 -> 216.236.160.11:5060

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....

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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"....

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&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*&*
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
13704 Research Blvd. Building O-Suite 4
Austin, TX 78750
Tel: 512-257-2274 Ex: 115