diff --git a/src/mod/endpoints/mod_sofia/mod_sofia.c b/src/mod/endpoints/mod_sofia/mod_sofia.c
index c41ed9b2e3..086d6dd088 100644
--- a/src/mod/endpoints/mod_sofia/mod_sofia.c
+++ b/src/mod/endpoints/mod_sofia/mod_sofia.c
@@ -254,7 +254,7 @@ char *generate_pai_str(private_object_t *tech_pvt)
 	callee_number = switch_sanitize_number(switch_core_session_strdup(session, callee_number));
 	callee_name = switch_sanitize_number(switch_core_session_strdup(session, callee_name));
 
-	if (!zstr(callee_number) && (zstr(ua) || !switch_stristr("polycom", ua))) {
+	if (!zstr(callee_number) && (zstr(ua) || !switch_stristr("poly", ua))) {
 		callee_number = switch_core_session_sprintf(session, "sip:%s@%s", callee_number, host);
 	}
 
@@ -2075,13 +2075,15 @@ 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_channel_var_true(tech_pvt->channel, "update_ignore_ua") ||
-									  switch_stristr("polycom", ua) ||
+									  switch_stristr("poly", ua) ||
 									  (switch_stristr("aastra", ua) && !switch_stristr("Intelligate", ua)) ||
 									  (switch_stristr("cisco/spa50", ua) ||
 									  switch_stristr("cisco/spa525", ua)) ||
 									  switch_stristr("cisco/spa30", ua) ||
 									  switch_stristr("Fanvil", ua) ||
 									  switch_stristr("Grandstream", ua) ||
+									  switch_stristr("Ringotel", ua) ||
+									  switch_stristr("Groundwire", ua) ||									  
 									  switch_stristr("Yealink", ua) ||
 									  switch_stristr("Mitel", ua) ||
 									  switch_stristr("Panasonic", ua))) {
@@ -2152,7 +2154,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
 								 SIPTAG_PAYLOAD_STR(message),
 								 TAG_IF(!zstr(session_id_header), SIPTAG_HEADER_STR(session_id_header)),
 								 TAG_END());
-					} else if (ua && switch_stristr("polycom", ua)) {
+					} else if (ua && switch_stristr("poly", ua)) {
 						snprintf(message, sizeof(message), "P-Asserted-Identity: \"%s\" <%s>", msg->string_arg, tech_pvt->caller_profile->destination_number);
 						nua_update(tech_pvt->nh,
 								   NUTAG_SESSION_TIMER(tech_pvt->session_timeout),
diff --git a/src/mod/endpoints/mod_sofia/sofia.c b/src/mod/endpoints/mod_sofia/sofia.c
index a370b52442..77e4750812 100644
--- a/src/mod/endpoints/mod_sofia/sofia.c
+++ b/src/mod/endpoints/mod_sofia/sofia.c
@@ -10476,7 +10476,7 @@ void sofia_handle_sip_i_invite(switch_core_session_t *session, nua_t *nua, sofia
 		(!is_tcp && !is_tls && (zstr(network_ip) || !switch_check_network_list_ip(network_ip, profile->local_network)) &&
 		 profile->server_rport_level >= 2 && sip->sip_user_agent &&
 		 sip->sip_user_agent->g_string &&
-		 (!strncasecmp(sip->sip_user_agent->g_string, "Polycom", 7) || !strncasecmp(sip->sip_user_agent->g_string, "KIRK Wireless Server", 20)))
+		 (!strncasecmp(sip->sip_user_agent->g_string, "Poly", 4) || !strncasecmp(sip->sip_user_agent->g_string, "KIRK Wireless Server", 20)))
 		) {
 		if (sip->sip_via) {
 			const char *port = sip->sip_via->v_port;
diff --git a/src/mod/endpoints/mod_sofia/sofia_presence.c b/src/mod/endpoints/mod_sofia/sofia_presence.c
index 48ad579411..151d6ec634 100644
--- a/src/mod/endpoints/mod_sofia/sofia_presence.c
+++ b/src/mod/endpoints/mod_sofia/sofia_presence.c
@@ -2501,7 +2501,7 @@ static char *gen_pidf(char *user_agent, char *id, char *url, char *open, char *r
 {
 	char *ret = NULL;
 
-	if (switch_stristr("polycom", user_agent)) {
+	if (switch_stristr("poly", user_agent)) {
 		*ct = "application/xpidf+xml";
 
 		/* If unknown/none prpid is provided, just show the user as online. */
diff --git a/src/mod/endpoints/mod_sofia/sofia_reg.c b/src/mod/endpoints/mod_sofia/sofia_reg.c
index d9e04528a8..ccd42bf6ab 100644
--- a/src/mod/endpoints/mod_sofia/sofia_reg.c
+++ b/src/mod/endpoints/mod_sofia/sofia_reg.c
@@ -1661,7 +1661,7 @@ uint8_t sofia_reg_handle_register_token(nua_t *nua, sofia_profile_t *profile, nu
 			if (!is_tcp && !is_tls && (zstr(network_ip) || !switch_check_network_list_ip(network_ip, profile->local_network)) &&
 				profile->server_rport_level >= 2 && sip->sip_user_agent &&
 				sip->sip_user_agent->g_string &&
-				( !strncasecmp(sip->sip_user_agent->g_string, "Polycom", 7) ||
+				( !strncasecmp(sip->sip_user_agent->g_string, "Poly", 4) ||
 				  !strncasecmp(sip->sip_user_agent->g_string, "KIRK Wireless Server", 20) ||
 				  !strncasecmp(sip->sip_user_agent->g_string, "ADTRAN_Total_Access", 19) )) {
 				if (sip->sip_via) {