PJSIP sip registration request rejected

[Rccess Technologies]

Hello all ,

I need some advice on pjsip , my system is working good on chan_sip but not on pjsip

Not getting registered , below is the pjsip.conf

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[global]

type=global

user_agent=Irontec IvozProvider v2.11

endpoint_identifier_order=ip,registration,contact,username,anonymous

[transport-udp]

type=transport

protocol=udp

bind=127.0.0.1:6060

[proxytrunks]

type = registration

retry_interval = 2

max_retries = 50

contact_user = +12055430291

expiration = 3600

transport = transport-udp

outbound_auth = auth_reg_proxytrunks

client_uri = sip:59XX...@eu.st.ssl7.net

server_uri = sip:eu.st.ssl7.net

forbidden_retry_interval = 0

[auth_reg_proxytrunks]

type = auth

password = XXXXXXXX

username = 59XXX62

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Please advice 

Thanks