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The SJPhone SIP soft phone 1.60.303c, when installed on the Dell Axim X3 running Windows Mobile 2003, allows remote attackers to cause a denial of service (device hang and traffic amplification) via a direct crafted INVITE transaction, which causes the phone to transmit many RTP packets.
Buffer overflow in SJ Labs SJphone 1.60.303c, running under Windows Mobile 2003 on the Samsung SCH-i730 phone, allows remote attackers to cause a denial of service (device hang and call termination) via a malformed SIP INVITE message, a different vulnerability than CVE-2007-3351.