Problem with pjsip

Hello everyone.
I allow myself to submit a problem that I can not solve with my VOIP 
provider Orange in France

[2023-06-08 13:19:03] ERROR[185091]: 
res_pjsip/pjsip_configuration.c:1044 from_user_handler: Error 
configuring endpoint 'Biv_Sortie' - 'from_user' field contains invalid 
character '@'
[2023-06-08 13:19:03] ERROR[185091]: config_options.c:798 
aco_process_var: Error parsing [email protected] at 
line 0 of
   == chan_pjsip.so => (PJSIP Channel Driver)

1) Error with "@" character which constitutes URI and authuser see 
excerpt from pjsip.conf.

[transport-udp]
type = transport
protocol=udp
bind=0.0.0.0:5060
local_net=172.16.1.0/255.255.255.0

[reg_orange-obs.fr]
type = registration
retry_interval = 120
max_retries = 10
expiration = 120
transport = transport-udp
outbound_auth = auth_reg_orange-obs.fr
client_uri = sip:[email protected]
server_uri = sip:orange-obs.fr

[auth_reg_orange-obs.fr]
type=auth
password=3314C9BA9688C2AA
username = [email protected]

[Biv_Sortie]
type = aor
contact = sip:[email protected]@orange-obs.fr
default_expiration = 3600

[Biv_Sortie]
type = identify
endpoint = Biv_Sortie
match = orange-obs.fr

[Biv_Sortie]
type=auth
username = Biv_Sortie
password=3314C9BA9688C2AA

[Biv_Sortie]
type=endpoint
context = Isdn_Inbound
dtmf_mode=rfc4733
disallow=all
allow = g722, alaw, g729
direct_media=no
trust_id_inbound = yes
send_rpid=yes
from_user = [email protected]
from_domain = orange-obs.fr
language = en
allow_subscribe = yes
auth = Biv_Exit
outbound_auth = Biv_Sortie
aors = Biv_Sortie

Question how can I solve this character problem "@"?

2) resolution of the orange-obs.fr DNS.  I am attaching an extract from 
the documentation that Orange issued in 2015

SIP/Internet is described in RFC3261 and following. THE
SIP/IMS is described by 3GPP standards. It's not the same
SIP.
In the Internet world, VoIP machines route
SIP messages to the IP addresses of the FQDNs of the SIP URIs
(VoIP domain). In the 3GPP world, SIP messages are
routed to an I/P-CSCF (depending on whether we are in interco or in
IPBX) which has a different FQDN from the VoIP domain.

BIV SIP

– P-CSCF FQDN: pcscfgm.orange-obs.fr, resolved by DNS
voice
– VoIP domain: orange-obs.fr, not resolved by voice DNS. ex :
INVITE sip:[email protected] SIP/2.0
2
 The VoIP/Internet machine will not be able to determine the address
recipient of SIP messages.

run the command “nslookup pcscfgm.orange-obs.fr” and
note the returned IP address 217.167.210.X
– add this address in the /etc/hosts file of the PBX:
217.167.210.X pcscfgm.orange-obs.fr orange-obs.fr

Note that it works with sip.conf . The current installation is 
operational with the information provided by /etc/hosts

below the debug in asterisk 19.6

[2023-06-08 13:37:17] DEBUG[185433]: res_config_odbc.c:115 
custom_prepare: Skip: 0; SQL: SELECT * FROM ps_auths WHERE id = ?
[2023-06-08 13:37:17] DEBUG[185433]: res_config_odbc.c:134 
custom_prepare: Parameter 1 ('id') = 'auth_reg_orange-obs.fr'
[2023-06-08 13:37:17] DEBUG[185433]: res_odbc.c:808 
ast_odbc_release_obj: Releasing ODBC handle 0x55855d1977d0 into pool
[2023-06-08 13:37:17] DEBUG[185433]: config.c:3847 ast_parse_arg: 
extract uint from [32] in [0, 4294967295] gives [32](0)
[2023-06-08 13:37:17] DEBUG[185433]: 
res_pjsip_outbound_registration.c:699 handle_client_registration: 
Outbound REGISTER attempt 2 to 'sip:orange-obs.fr' with client 
'sip:[email protected]'
[2023-06-08 13:37:17] DEBUG[185433]: res_pjsip/pjsip_resolver.c:475 
sip_resolve: Performing SIP DNS resolution of target 'orange-obs.fr'
[2023-06-08 13:37:17] DEBUG[185433]: res_pjsip/pjsip_resolver.c:502 
sip_resolve: Transport type for target 'orange-obs.fr' is 'UDP transport'
[2023-06-08 13:37:17] DEBUG[185433]: res_pjsip/pjsip_resolver.c:545 
sip_resolve: [0x55855d769c88] Created resolution tracking for target 
'orange-obs.fr'
[2023-06-08 13:37:17] DEBUG[185433]: res_pjsip/pjsip_resolver.c:174 
sip_resolve_add: [0x55855d769c88] Added target 'orange-obs.fr' with 
record type '35', transport 'UDP transport', and port '5060'
[2023-06-08 13:37:17] DEBUG[185433]: res_pjsip/pjsip_resolver.c:174 
sip_resolve_add: [0x55855d769c88] Added target '_sip._udp.orange-obs.fr' 
with record type '33', transport 'UDP transport', and port '5060'
[2023-06-08 13:37:17] DEBUG[185433]: res_pjsip/pjsip_resolver.c:174 
sip_resolve_add: [0x55855d769c88] Added target 'orange-obs.fr' with 
record type '1', transport 'UDP transport', and port '5060'
[2023-06-08 13:37:17] DEBUG[185433]: res_pjsip/pjsip_resolver.c:616 
sip_resolve: [0x55855d769c88] Starting initial resolution using parallel 
queries for target 'orange-obs.fr'
[2023-06-08 13:37:17] DEBUG[185340]: dns.c:555 ast_search_dns_ex: DNS 
search failed for orange-obs.fr
[2023-06-08 13:37:17] DEBUG[185340]: dns_system_resolver.c:154 
dns_system_resolver_process_query: DNS search failed for query: 
'orange-obs.fr'
[2023-06-08 13:37:17] DEBUG[185340]: dns.c:555 ast_search_dns_ex: DNS 
search failed for _sip._udp.orange-obs.fr
[2023-06-08 13:37:17] DEBUG[185340]: dns_system_resolver.c:154 
dns_system_resolver_process_query: DNS search failed for query: 
'_sip._udp.orange-obs.fr'
[2023-06-08 13:37:17] DEBUG[185340]: dns.c:555 ast_search_dns_ex: DNS 
search failed for orange-obs.fr
[2023-06-08 13:37:17] DEBUG[185340]: dns_system_resolver.c:154 
dns_system_resolver_process_query: DNS search failed for query: 
'orange-obs.fr'


Do you have an idea of what I can do to make this new installation 
operational?

thank you in advance.





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