Voice-Over-IP (VoIP) Phones for Sale

Ultra Mobile's Back to School Sale cuts 12-month prepaid plan pricing for new customers across several tiers. The 4GB plan drops to $9.10/mo, down from $13/mo; the 8GB plan falls to $11.90/mo, down from $17/mo; and the Ultra Unlimited plan comes to $23.80/mo, down from $34/mo. All plans include unlimited talk and text to 90+ international destinations, unlimited talk and text in Mexico and Canada, and a free SIM or eSIM. The deal ends on August 30, 2026. Buy Now at Ultra Mobile

Ultra Mobile is offering 30% off select 12-month prepaid plans during its Back to School Savings event. Plans start at $9.10 per month (billed annually) for the 4GB plan, with discounts also available on 8GB, 12GB, 24GB, Unlimited, and Unlimited+ plans. The promotion ends August 30. Shop Now at Ultra Mobile

Get Xfinity Voice Premier for $40/mo with unlimited nationwide and international calling to 90+ countries. This promo includes a discount with no coupon code required. This offer ends December 31, 2026. Buy Now at Xfinity Residential

Converts analog desk phones into VoIP-compatible devices, so it's useful if you want to keep using traditional handsets on a modern internet-based phone system without replacing your existing hardware. Buy Now at Newegg

Landline holdouts who want to ditch monthly carrier fees can run home phone service over Wi-Fi instead, using just their existing internet connection and a standard phone. It's $40 off the list price at Amazon, down to $110. Buy Now at Amazon

Mint Mobile is offering every phone plan, including unlimited data, for $15 a month for new customers. The unlimited plan normally costs $40 a month, so locking in a 3, 6, or 12-month term brings notable savings over that regular rate. Lower-data plans like the 6GB and 17GB options are discounted as well, with upfront payments required depending on the term length chosen. Buy Now at Mint Mobile

Mint Mobile is offering every phone plan, including unlimited data, for $15 a month for new customers. The unlimited plan normally costs $40 a month, so locking in a 3, 6, or 12-month term brings notable savings over that regular rate. Lower-data plans like the 6GB and 17GB options are discounted as well, with upfront payments required depending on the term length chosen. Buy Now at Mint Mobile