Product Catalog: AltiGen: VoIP & Analog Telephones For maximum flexibility, AltiGen can also utilize traditional analog phone sets that support the industry standard Analog Display Services Interface (ADSI). AltiGen recommends the cost effective, feature-rich AltiTouch series of phones manufactured specifically by Sayson Technologies for AltiGen systems. Products IP 710 (Altigen) The IP 710 telephone is a fully featured VoIP phone designed to empower the user. AltiTouch 510 (Altigen) AltiTouch 510 telephones make executive level features and capabilities affordable enough for every user. IP 705 (Altigen) The IP 705 is a standard desktop IP phone designed exclusively for AltiGen VoIP phone systems. VoIP Softphone (Altigen) AltiGen systems include call control software (AltiView). This same software can be easily upgraded to become a softphone.