V3300 Soft Sip Phone問題

3300V下面是一台MOSA4616 四個WAN都使用
環境預設出去的外部固定IP是WAN3 開啟UDP 10000-10999 2000 5060
下面是軟體電話的LOG
============================
09:45:20.7
SENDING TO: 60.251.XX.XX:5160
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.85.15:5160;branch=z9hG4bK-4ae02941-216b384-1e92;received=60.251.XX.XX
Contact: <sip:192.168.85.61:6630>
To: <sip:6859@220.133.118.XX:5160>;tag=e1329372
From: <sip:220.133.118.3XX:5160>;tag=0-1428-4ae02941-216b384-3c1d
Call-ID: 835394f4-0-1428-4ae02941-216b384-6ec7@220.133.118.XX
CSeq: 31988 OPTIONS
Accept: application/sdp
Accept-Language: en
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
Supported: eventlist
User-Agent: eyeBeam release 3010n stamp 19039
Content-Length: 0
WAN3 IP 就是 60.251.XX.XX 照理說TO FROM都應該要是60.251.XX.XX
不過都不定時亂跑 導致外面打來 有時會聽不到聲音 或是說話對方聽不到
懷疑是 Auto Load Balance去影響到 請問該怎麼設定會比較好~?
環境預設出去的外部固定IP是WAN3 開啟UDP 10000-10999 2000 5060
下面是軟體電話的LOG
============================
09:45:20.7
SENDING TO: 60.251.XX.XX:5160
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.85.15:5160;branch=z9hG4bK-4ae02941-216b384-1e92;received=60.251.XX.XX
Contact: <sip:192.168.85.61:6630>
To: <sip:6859@220.133.118.XX:5160>;tag=e1329372
From: <sip:220.133.118.3XX:5160>;tag=0-1428-4ae02941-216b384-3c1d
Call-ID: 835394f4-0-1428-4ae02941-216b384-6ec7@220.133.118.XX
CSeq: 31988 OPTIONS
Accept: application/sdp
Accept-Language: en
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO
Supported: eventlist
User-Agent: eyeBeam release 3010n stamp 19039
Content-Length: 0
WAN3 IP 就是 60.251.XX.XX 照理說TO FROM都應該要是60.251.XX.XX
不過都不定時亂跑 導致外面打來 有時會聽不到聲音 或是說話對方聽不到
懷疑是 Auto Load Balance去影響到 請問該怎麼設定會比較好~?