====== Direct to Phone ====== ===== Requirements ===== For direct to phone method, there are a few requirements. {{page>:howto:requirements:network#telephony_network&noheader}} ===== MWI Solutions ===== Below are several solutions for enabling direct-to-phone MWI via SIP NOTIFY. * The solutions are ordered from the most recommended approach to the least preferred approach, based on overall deployment simplicity and long-term maintainability. * The first option represents the most streamlined implementation, requiring minimal customization and the least operational overhead. * Each subsequent option introduces additional complexity and configuration requirements. * The primary challenges associated with the less preferred methods relate to IP addressing considerations and the need for manual phone configuration, both of which can increase deployment time and ongoing support requirements. ==== Most Preferred Solution ==== **This assumes the site is using one of the applicable phone models**. ^ Article ^ Link ^ | IPPHONECFG | [[ :howto:mwi:hosted:tophone:ipphonecfg | View]] | ==== Preferred Solution ==== **This assumes there are less than 250 extensions with mailboxes listed on the DuVoice server**. ^ Article ^ Link ^ | MWI Subscription (Limited to 250 extensions max) | [[ :howto:mwi:hosted:tophone:subscribe | View]] | ==== Preferred Solution ==== **This assumes the site has all phones on the same subnet as the HMP-bound SIP network interface on the DuVoice server**. ^ Article ^ Link ^ | DHCP ARP Method | [[ :howto:mwi:hosted:tophone:dhcparp | View]] | ==== Least Preferred Solution ==== **This assumes the site has all phones on the same network (or allows for routing SIP traffic) as the HMP-bound SIP network interface on the DuVoice server**. ^ Article ^ Link ^ | Static IP Method | [[ :howto:mwi:hosted:tophone:static | View]] |