Unable to request channel SIP

hello,

I have installed:

opnfire 3.6.0a

spark 2.5.8

asterisk 1.2.13 (debian etch version)

asterisk-im 1.4.0

Asterisk configuration:

sip.conf

[kmatyas]
type=friend
username=kmatyas
secret=123321
host=dynamic
context=internal

[bradziszewski]
type=friend
username=bradziszewski
secret=123321
host=dynamic
context=internal

manger.conf

[stefan]
secret = 123321
permit = 0.0.0.0/0.0.0.0
permit = 127.0.0.1/255.255.255.0
permit = 172.21.1.32/255.255.255.0
read = system,call,log,verbose,command,agent,user
write = system,call,log,verbose,command,agent,user

[internal]
exten => 6131,1,Dial(SIP/kmatyas)
exten => 6132,1,Dial(SIP/bradziszewski)
exten => 611,1,Echo( )

after i’m trying call from user bradziszewski to kmatyas user then i got error:

== Parsing ‘/etc/asterisk/manager.conf’: Found
== Manager ‘stefan’ logged on from 127.0.0.1
Oct 7 21:58:53 NOTICE[18577]: channel.c:2491 __ast_request_and_dial: Unable to request channel SIP/bradziszewski

ns1*CLI> sip show users
Username Secret Accountcode Def.Context ACL NAT
bradziszewski 123321 internal No RFC3581
kmatyas 123321 internal No RFC3581

ns1*CLI> sip show peers
Name/username Host Dyn Nat ACL Port Status
bradziszewski/bradziszews (Unspecified) D 0 Unmonitored
kmatyas/kmatyas (Unspecified) D 0 Unmonitored
2 sip peers [2 online , 0 offline]

All solutions form other topics dosent work in my issue.

Please help…