Apologies in regards to your voicemail and sms notification delays @jemartin121. Is it only incoming sms that is affected? Has switching the phone off and on or changing the settings helped? Here is some → basic troubleshooting if it helps.
We don`t have access to customers account on this public forum. If the issue still continues then you are best to speak with our Technical Support team either via the → messaging service or by calling them on 131344 - Mon - Fri: 8am - 8pm Sat: 9am - 5pm AEST to assist you further.