FS-11471: [mod_sofia] revert changes to send PAI for polycom 4.x versions…

FS-11471: [mod_sofia] revert changes to send PAI for polycom 4.x versions differently, seems polycom has now fixed this

src/mod/endpoints/mod_sofia/mod_sofia.c

@@ -1994,11 +1994,8 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
 							nua_info(tech_pvt->nh, SIPTAG_CONTENT_TYPE_STR("message/sipfrag"),
 									 TAG_IF(!zstr(tech_pvt->user_via), SIPTAG_VIA_STR(tech_pvt->user_via)), SIPTAG_PAYLOAD_STR(message), TAG_END());
 						} else if (update_allowed && ua && switch_stristr("polycom", ua)) {
-							if ( switch_stristr("UA/4", ua) ) {
-								snprintf(message, sizeof(message), "P-Asserted-Identity: \"%s\" <sip:%s@%s>", name, number, tech_pvt->profile->sipip);
-							} else {
-								snprintf(message, sizeof(message), "P-Asserted-Identity: \"%s\" <%s>", name, number);
-							}
+							snprintf(message, sizeof(message), "P-Asserted-Identity: \"%s\" <sip:%s@%s>", name, number, tech_pvt->profile->sipip);
+
 							sofia_set_flag_locked(tech_pvt, TFLAG_UPDATING_DISPLAY);
 							nua_update(tech_pvt->nh,
 									   NUTAG_SESSION_TIMER(tech_pvt->session_timeout),