Kaya ndinu ogwira ntchito kapena ogwira ntchito VoIP, nthawi zina, muyenera kusamala zomwe mumagwiritsa ntchito, popeza zimakhudza zowopsa za VoIP yanu. Pamene msika wa VoIP wakula pazaka 10 zapitazi, momwemonso chiwerengero cha ogulitsa. Pali ambiri opanga ma hardware ndi ogulitsa malingaliro ozungulira, kutanthauza mitengo yabwino kupambana mpikisano, komanso khalidwe labwino komanso maonekedwe. Ndasankha mwachidule ena mwa otchuka kwambiri ndi ogulitsa omwe ali pansipa.
Avaya
Avaya ndiye mtsogoleri pa msika wa VoIP. Zili ndi zipangizo zambiri komanso zothandizira zowonjezera kuphatikizapo mafoni a IP, media gateways, maulendo, ma seva olankhulana, PBXs, mafoni opanda foni, mauthenga a mawu. Zambiri "
Cisco
Pambuyo pa VoIP, Cisco yakhala pafupi ngati wogulitsa wogulitsa. Tsopano, ndiye mtsogoleri wotsogolera muzitsulo za zida za VoIP, ndi mafoni abwino a IP, maulendo ndi zipangizo zina ndi zothetsera. Cisco ali ndi Linksys, yomwe imadziwikanso pamsika. Zambiri "
Shoretel
Shoretel ndi wogulitsa wochulukitsa omwe amapereka kwathunthu IP telephony solutions ndi PBXs. Mfundo zolimba za ShoreTel zimagwira ntchito komanso zimakhala zosavuta kuzigwiritsa ntchito. Zambiri "
Siemens
Siemens ndi chimphona china mu teknoloji chomwe chafikira ku VoIP ndi maulumikizano ogwirizana. Amapereka mafoni, PBXs ndi ... chirichonse chokhudzana ndi kulankhulana. Zambiri "
Mitel
Mitel ndi wothandizira padziko lonse njira zothetsera makampani komanso mabungwe ang'onoang'ono. Cholinga chake chikuphatikiza mawonekedwe abwino a anthu ndi zowonongeka. Ma Mitel amalumikiza SX ndi ICP. Zambiri "
Asterisk
Asterisk si hardware, koma PBX yothandizira yomwe ingagwire ntchito pa Linux, Unix, MacOS ndi machitidwe ena. Ndilo lotseguka (lotanthauzira kwaulere) ndipo limasintha kwambiri ndi lolimba kwambiri. Zambiri "
Taridium
Taridium ndi njira yotseguka yotsegulira VoIP solution provider. Mipando ya Taridium yomwe imayang'aniridwa ndi Services VoIP ya malonda aing'ono ndi apakati-palimodzi kupyolera mu makina akuluakulu a telephony zothetsera mabungwe akuluakulu ndi ogwira ntchito. Zambiri "
Nawa ena mwa othandizira awa:
Talkswitch
Toshiba
Chikhalidwe
3Com
Polycom
Alcatel
Lucent (yemwe ali ndi Avaya)
Linksys (omwe ali ndi Cisco)
D-Link
Sipura (yomwe ili ndi Cisco)
Grandstream
Chisangalalo
NetGear
ZyXEL
Belkin